Harrier Hardware10-Pack Square PTO Shaft Canopy Locking Hitch Pin, 5/16" x 4" inches - High Carbon Steel, Zinc Coating for Rust Resistance - Ideal for Farming, Gardening, Trailer Couplers

These seem to be good quality and worked perfectly for my needs.

Worked

Great quality and price

They work but are too wide!

I used these to put my open end wrench on. Worked great.

Does the job

I'm always needing more of these because I set one on a wheel well and then it falls off or they wear out. A 10 pack is just what the doctor ordered. These are solid and will work just fine, buuuut two of them arrived corroded; one on the locker and one one the pin. More than likely, they would have ended up corroded anyways via use, but not sure about the finish on these since it corroded as new.

It knows exactly what it’s supposed to do