823-6941, RS PRO, RS PRO Shaft Collar, One Piece, Set Screw, Bore 8mm, OD 16mm, W 8mm, Steel, Brand RS Pro, Shaft Diameter 8mm, One/Two Piece One Piece, Material Steel RS PRO Shaft Collar, One Piece, Set Screw, Bore 8mm, OD 16mm, W 8mm, Steel