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

1-1/2" Bore; Shaft Collar; Steel; 2-1/4" Outside Diameter; 13/16" Width; One Set Screw; 3/8-16 X 3/8 Set Screw Size; One Piece Solid

Keyless Locking Assembly; 40MM Bore; 75MM Outside Diameter; 54MM Length; 62.001MM Length Including Cap; Steel; C405 Series; M8 X 45 Cap Screw

3/4" Bore; Shaft Collar; Aluminum; 1-1/4" Outside Diameter; 9/16" Width; One Set Screw; 5/16-18 X 1/4 Set Screw Size; One Piece Solid

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