Climax Metal C-100 Shaft Collar, Zinc Plated Steel, Set Screw Style, One Piece, 1 Bore, 1-1/2 OD, 5/8 Wide, With 5/16-18 Set Screw

duper goog

Set screw size is not correct. Please stop selling these with 5/16-18 in the description.

Fitted perfectly with strength to match.

Excellent product well-made works perfect!

Inexpensive solution to threaded dumbbell handles that will not stay tight.

Work great

Seems like a good quality of steel

Shaft collar worked finr

Use them to keep the wheels close together on the sides from my hand card

I purchased one 1 inch ID (inside diameter) as a reference sample for future Purchases. Its lite weight. Brushed aluminum clean finish. set screw is iodized black finish. Smooth operation. Included are two Allen wrench/Allen key. I recommend this product.