KZNANZN Bore 1/2" Set Screw Shaft Collar Width 0.4375 inch 304 Stainless Steel Silvery 4Pcs

I needed these to repair my recyclable trash container, and they worked perfect for my project. I would use this seller again.

I used these on a weight lifting bar that is 1 inch in diameter. Two hold a bar sleeve in place and the other two hold the weights on the backside near the sleeve. They stay permanently in place while collar springs are used on the outside to hold the weights and make it easy to put weights on and off the bar. These are compact and have no external set screws, making it safe and easy to use in a weight power rack fitness cage. Just use an allen key to adjust the set screw. These would not be ideal in this application if they needed to be constantly removed, but are great when tightened and left in place on the bar.

It does what is supposed to do in an excellent fashion. 5 ⭐️ product.

These were PERFECT.My only complaint, there were supposed to be four (4) of them, but i only received two (2) in thick mil completely sealed clear plastic pack.Otherwise, very well made, perfect in quality and exactly what i needed.

Got these quick, and they worked just fine.

Magnet is not sticking to stainless. So use a magnet and see for yourself. Also it started rusting a few days after staying outdoors.So just say that it is plain steel. Not stainless

Working on my lawn carts I needed to secure my 4 lug hubs with a 3/4" shaft and these worked great!

Arrived on time and what I needed

I really appreciated the fast shipping. Unfortunately the product did fit so I return the product without any problem. thx you very much for the good service.