10MM Bore; Shaft Collar; Steel; 25.4MM Outside Diameter; 9MM Width; M3 X 10 Clamp Screw Size; One Piece Split

12MM Bore; Shaft Collar; Steel; 28MM Outside Diameter; 11MM Width; M4 X 12 Clamp Screw Size; One Piece Split

16MM Bore; Shaft Collar; Steel; 28MM Outside Diameter; 12MM Width; One Set Screw; M6 X 6 Set Screw Size; One Piece Solid

18MM Bore; Shaft Collar; Steel; 32MM Outside Diameter; 14MM Width; One Set Screw; M6 X 6 Set Screw Size; One Piece Solid

14MM Bore; Shaft Collar; Stainless Steel; 25MM Outside Diameter; 12MM Width; One Set Screw; M6 X 6 Set Screw Size; One Piece Solid