• (4-Pack) SINOAXISSPACE Shaft Collar 13/16" Bore, 1045 Steel Double Split Clamp-On Shaft Collars Style, 15/8" OD, 1/2" Thickness, with M4 Set Screws KWD 6
• SBR20 Shaft Collar Bore 20mm OD 40mm Thickness 12mm Clamp on Stop Collar with M4 Set Screw Aluminum Alloy for Linear Rail and Motion Guide Shaft (4 Pack) KWD 5