30MM Bore; Shaft Collar; Steel; 54MM Outside Diameter; 15MM Width; M6 X 18 Clamp Screw Size; Two Piece Split

3/4" Bore; Shaft Collar; Stainless Steel; 1-1/2" Outside Diameter; 1/2" Width; 1/4-28 X 5/8 Clamp Screw Size; One Piece Split

2-15/16" Bore; Shaft Collar; Aluminum; 4-1/4" Outside Diameter; 7/8" Width; 3/8-24 X 1-1/8 Clamp Screw Size; Two Piece Split

M12 X 1.75 Bore Thread; Shaft Collar; Steel; 28MM Outside Diameter; 11MM Width; M4 X 12 Clamp Screw Size; One Piece Split Threaded

25MM Bore; Shaft Collar; Stainless Steel; 45MM Outside Diameter; 15MM Width; M6 X 16 Clamp Screw Size; Two Piece Split