234-6952, RS PRO, RS PRO Shaft Collar, One Piece, Clamp Screw, Bore 12mm, OD 28mm, W 11mm, Steel, Brand RS Pro, Shaft Diameter 12mm, One/Two Piece One Piece, Material Steel RS PRO Shaft Collar, One Piece, Clamp Screw, Bore 12mm, OD 28mm, W 11mm, Steel