(4-Pack) Zinc Plated Carbon Steel 5/8” Bore Shaft Collars Sets - Screw Style Bore Shaft Collars with 5/8” Bore Size, 1-1/8 Outer Diameter, and 1/2 Width - Suitable for Automotive and Industrial Use

They do exactly what theyre supposed to do and were a good value.

Product went on easy. Will see if they stay in place.

I saw some reviews that said these run small, but I found them perfectly sized. They were so accurately sized that I had to lightly sand some burrs off of the shaft to get them on. Locked down tightly once in place. Very pleased with these.