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Wide application: great for machine, lawn, table saw, farming, gardening, boat, truck, trailer or other locking applications. Rust & corrosion resistant: made of high quality carbon steel material, zinc plated, durable and sturdy, suitable for outdoor long-term use.


Please check the locking length before selecting thepin. All pins are low carbon steel and are Chrome plated for Hardness and corrosion resistance.

This safety pin also comes with a 12-inch long chain. With a solid steel pin and spring retainer clip, this coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball.
With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. Easy to use. Secure and convenient. High-strength. It can also be used for a trailer jack wheel, pintle hook and more.


Besides, they will be heavy duty enough to ensure a secure hold when installed! 3. Practical application -- these useful pins can be used to secures coupler latches, lawn, garden, jack legs, pintle hooks and more.
2. 1. Please trust us, and we will not let you down!4. 5. 100 satisfaction service -- we are highly confident with our products, and believe that you will not regret if you got them! If you are unhappy with them, we also can provide you FULL REFUND & FREE RETURN service. Size of pto pins -- the length of 3 types shaft pins are respectively are 1/4 Inch 6. 35mm, 5/16 inch 7. 9mm and 3/8 Inch 9.

Please make sure you are ordering the correct length pin for your weight stack. When measure, pin should go through stack, selector stem and well into the other half of the plate. Cotterless hitch pins - Carbon Steel Shaft with Chrome Plating for surface Hardness.
Calibrated lengths are made for proper size weights and will not protrude. This stylish, pin should go through stack, t handle weight pin looks like it belongs in every weight room. Round jumbo knob with strong magnetic insert. Hard to find locking space of 5-1/2" Length with Magentic Locking. Works only on mettalic plates. The pin should cover up to at least 75% of the stack depth. By sbD.

Similarl. When measure, pin should go through stack, selector stem and well into the other half of the plate. Sbds magnetic pin, tensile 3/8" dia 2-1/4" to 2-1/2" locking length universal weight stack heavy Duty SELECTOR KEY - Deluxe Aluminum T Handle Knob - World Class Hitch PINS.
When measure, selector stem and well into the other half of the plate. Magnetic pin lock space measure true to length. The pin should cover up to at least 75% of the stack depth. Round jumbo Knob with Strong magnetic insert. Please make sure you are ordering the correct length pin for your weight stack.
1. Hillman
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Cotterless Hitch Pins 3/8" Ring Diameter x 2-1/8" Length
#adHillman #ad - Contains 4 pieces. These cotterless hitch pins measure 3/8" in ring diameter and 2-1/8" in length. Hitch pins & Linchpins are reusable. Parts have a high resistance to corrosion. Parts feature a pull ring, making them ideal for applications in which a quick, easy disconnect is often desired.More information #ad
Brand | Hillman #ad |
Manufacturer | The Hillman Group #ad |
Height | 1.5 Inches |
Length | 2.2 Inches |
Weight | 0.35 Pounds |
Width | 2.5 Inches |
Part Number | 4257 |
Model | 4257 |
More information #ad
2. INCREWAY
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3/8 Inch Heavy Duty Safety Coupler Pin Shaft Locking Pto Hitch Pin with Round Arch Wire Retainer for Farm Trailers Lawn Garden, INCREWAY 4pcs Wire Lock Pin
#adINCREWAY #ad - Heavy duty hitch pin: pack of 4 hitch pins with attractive price, which will work perfectly as a replacement for lose part and lock into position.Wide application: great for machine, lawn, table saw, farming, gardening, boat, truck, trailer or other locking applications. Rust & corrosion resistant: made of high quality carbon steel material, zinc plated, durable and sturdy, suitable for outdoor long-term use.
More information #ad
Secure hold: these spring locking pins are structurally strong and reasonably constructed, which are very convenient to use and wil not loosen during use. 3/8" diameter: our safety coupler pin has 2-5/8" 66mm length and 3/8" 9. 5mm diameter,suitable for quick release applications in most situations.Brand | INCREWAY #ad |
Manufacturer | INCREWAY #ad |
Part Number | INC-HW06-105 |
More information #ad
3. LinaLife
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LinaLife 4 Pack Wire Lock Pin 3/8" Shaft Locking Pin Square Loop Pto Pin Safety Coupler Hitch Pin for Farm Trailers Lawn Garden
#adLinaLife #ad - Wide application: use coupler pins for farm, trailer hitch receivers, lawn and garden, and other applications to secure attachments and PTO accessories.3/8" diameter pin heavy duty pin with square wire clip, 2-1/4"60mm usable length.More information #ad
Pack of 4. Material: shaft pin is made of good quality spring steel and carbon steel, zinc plated to resist rust and corrosion. Usage: the fastener eliminates cotter pin loss and fits most quick release applications. Shape: square and arch retainer wire clip provides a quick latch and added clearance.Brand | LinaLife #ad |
Manufacturer | LinaLife #ad |
Part Number | LinaLife |
More information #ad
4. SB DISTRIBUTION LTD
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5-1/2" Locking Space Universal World Class Weight Stack SELECTOR Key, SBDs Quick Release Pin 3/8" Dia, w/Jumbo 1-3/4" Dia Round Designer KNOB |Detent Hitch PIN | Chrome PL Steel Shaft
#adSB DISTRIBUTION LTD #ad - Sbds quick release pin tensile 3/8" dia - 5-1/2" locking space universal world class weight stack selector key - w/Jumbo 1-3/4" Dia Round Designer KNOB |DETENT Hitch PINS | Chrome PL Steel Shaft.Please check the locking length before selecting thepin. All pins are low carbon steel and are Chrome plated for Hardness and corrosion resistance.
More information #ad
Selector pins for gym equipment. A spring loaded detent ball provides a convenient and dependable Quick Release mechanism that retracts when you push or pull the pin. Universal Quick Acting Fastening Applications. This pin is suitable for 5-1/2" locking length.Brand | SB DISTRIBUTION LTD #ad |
Manufacturer | SB Distribution Ltd. #ad |
Height | 1.75 Inches |
Length | 6.5 Inches |
Width | 1.75 Inches |
Part Number | SB-AC-1030 |
Model | P155B36 |
Warranty | 90 Days from the date of purchase |
More information #ad
5. CURT
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3/8-Inch Diameter x 2-3/4-Inch Long, CURT 28000 Trailer Coupler Pin with 12-Inch Chain
#adCURT #ad - The 3/8-inch trailer coupler pin is made out of solid steel for reliable strength, safety on the road and confidence with every mile of your adventure. Versatile. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time.This safety pin also comes with a 12-inch long chain. With a solid steel pin and spring retainer clip, this coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball.
More information #ad
Corrosion-resistant. The 3/8-inch diameter and 2-3/4-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. With the safety pin inserted in the coupler latch, the square retainer easily clips on to the end of the pin. The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. Easy to use. Secure and convenient. High-strength. It can also be used for a trailer jack wheel, pintle hook and more.
Brand | CURT #ad |
Manufacturer | Curt Manufacturing #ad |
Height | 1 Inches |
Length | 4 Inches |
Weight | 0.2 Pounds |
Width | 3 Inches |
Part Number | 28000 |
Model | 28000 |
Warranty | One Year Limited |
More information #ad
6. SB Distribution Ltd.
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Magnetic Pin, Tensile 3/8" Dia 2-1/2" Locking Space w/Black T Handle Knob- Universal Weight Stack Replacement SELECTOR Key | Detent Hitch Locking PINS
#adSB Distribution Ltd. #ad - Please make sure you are ordering the correct length pin for your weight stack. When measure, pin should go through stack, selector stem and well into the other half of the plate. Magnetic pin, tensile 3/8" dia 2-1/2" locking space w/ black t handle knob- universal Weight Stack Replacement SELECTOR KEY | DETENT Hitch Locking PINS.More information #ad
The pin should cover up to at least 75% of the stack depth. The diameter of the Shaft is 3/8". Magnetic pin lock space measure true to length. T handle knob with Strong magnetic insert.Brand | SB Distribution Ltd. #ad |
Manufacturer | SB Distribution Ltd. #ad |
More information #ad
7. Keadic
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Including 1/4 Inch 5/16 Inch 3/8 Inch Length in 2 Shapes of Square and Arch for Three Point Hitch, Keadic 20 Pieces Shaft Locking PTO Pin Assortment Kit
#adKeadic #ad - Perfect for farm, trailer hitch receivers and PTO accessories. High quality material -- these shaft locking pins are made of high quality zinc plated carbon steel, which have high hardness and can be resistant to rust and corrosion.Besides, they will be heavy duty enough to ensure a secure hold when installed! 3. Practical application -- these useful pins can be used to secures coupler latches, lawn, garden, jack legs, pintle hooks and more.
More information #ad
Package included -- this kit includes 2 shapes of trailer pins: 10pcs Arch pins 1/4" in length, 5pcs 5/16" Square pins and 5pcs 3/8" Arch pins. They will work well for your three point hitch. 2. 1. Please trust us, and we will not let you down!4. 5. 100 satisfaction service -- we are highly confident with our products, and believe that you will not regret if you got them! If you are unhappy with them, we also can provide you FULL REFUND & FREE RETURN service. Size of pto pins -- the length of 3 types shaft pins are respectively are 1/4 Inch 6. 35mm, 5/16 inch 7. 9mm and 3/8 Inch 9.
Brand | Keadic #ad |
Manufacturer | Keadic #ad |
More information #ad
8. SB Distribution Ltd.
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Detent Hitch PINS. by SBD, Tensile, 3/8" Dia x 5-1/2" Locking Space"Custom Made" w/Round Deluxe Black Knob, Magnetic Pin, Universal Weight Stack Replacement SELECTOR Key
#adSB Distribution Ltd. #ad - Please make sure you are ordering the correct length pin for your weight stack. Magnetic pin lock space measure true to length. The diameter of the Shaft is 3/8". When measure, selector stem and well into the other half of the plate.Please make sure you are ordering the correct length pin for your weight stack. When measure, pin should go through stack, selector stem and well into the other half of the plate. Cotterless hitch pins - Carbon Steel Shaft with Chrome Plating for surface Hardness.
More information #ad
Magnetic pin, tensile - 3/8" dia x 5-1/2" locking space "custom made" w/ round deluxe black knob, - universal Weight Stack Replacement SELECTOR KEY - DETENT Hitch PINS. Calibrated lengths are made for proper size weights and will not protrude. This stylish, pin should go through stack, t handle weight pin looks like it belongs in every weight room. Round jumbo knob with strong magnetic insert. Hard to find locking space of 5-1/2" Length with Magentic Locking. Works only on mettalic plates. The pin should cover up to at least 75% of the stack depth. By sbD.
Brand | SB Distribution Ltd. #ad |
Manufacturer | SB Distribution Ltd. #ad |
More information #ad
9. SB Distribution Ltd.
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SB Distribution Ltd. SBDs Magnetic Pin, Tensile 3/8" Dia 2-1/4" to 2-1/2" Locking Length Universal Weight Stack Heavy Duty SELECTOR Key, Deluxe Aluminum T Handle Knob, World Class Hitch PINS
#adSB Distribution Ltd. #ad - If you have a weight stack with rubber Insulation / Encapsulation, pin should go through stack, please use standard ball valve locking pins. Please make sure you are ordering the correct diameter and length pin for your weight stack. Magnetic pin lock space measure true to length.Similarl. When measure, pin should go through stack, selector stem and well into the other half of the plate. Sbds magnetic pin, tensile 3/8" dia 2-1/4" to 2-1/2" locking length universal weight stack heavy Duty SELECTOR KEY - Deluxe Aluminum T Handle Knob - World Class Hitch PINS.
More information #ad
It functions as a pin and cotter all in one. These pins work only on bare metallic PLATES. Secondly, it eliminates the need for other labor-intensive fastening combinations such as clevis and cotter pins, a pin and retaining, the locking length of the PIN is flexible as it needs only 75% of the length Penetration into the application Plate. When measure, selector stem and well into the other half of the plate. Magnetic pin lock space measure true to length. The pin should cover up to at least 75% of the stack depth. Round jumbo Knob with Strong magnetic insert. Please make sure you are ordering the correct length pin for your weight stack.
Brand | SB Distribution Ltd. #ad |
Manufacturer | SB Distribution Ltd. #ad |
Length | 2.25 Inches |
More information #ad