eBay

【1/4" DIAMETER PIN】The 1/4-inch diameter and 2-2/5-inch length of this coupler safety pin make it highly versatile to fit a wide variety of trailer couplers. It can also be used for a trailer jack wheel, pintle hook and more.
【High Carrying Capacity】The pto pin made of high-quality carbon steel and has a strong load carrying capacity. It is structurally strong and difficult to loosen when in use.
【Corrosion-Resistant】Protected by a durable zinc-plated finish, the shaft locking pin maintains excellent resistance to rust and corrosion for longevity, you don’t have to worry about it degrading over time.
【Good Safety Performance】This pto hitch pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball. The solid pin offers ample strength while the retainer clip ensures the pin will not vibrate or rattle free.
【WIDELY USE】The loop wire lock is ideal for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications.

Specifications:
Diameter: 1/4 inch (6.3mm)
Material: Zinc Coated Carbon Steel
Color: Silver
Quantity: 12 Pieces
Features:
Materials: Made of high quality zinc plated carbon steel material which resists corrosion, durable and sturdy, the safety coupler pin set is suitable for long-term outdoor use.
Secure Hold: These spring locking pins are structurally strong, will not loosen during use.
Simple operation: When disassembling or using it, all we have to do is to open or close the spring-loaded latch.
Quick Release Fastener:
They can be used as a convenient way to adjust or remove accessories on equipment, just need to insert the pin into the corresponding hook slot and close it.
Applications:
The loop wire lock is ideal for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications.
Note:
Please allow 1-3mm deviation due to manual measurement, make sure you do not mind before you bid.