Shaft Collar, System of Measurement Inch, Shaft Locking Type - Couplings 1 Piece Set Screw, Bore Type - Collars Plain Bore, Bore Dia. 2 in, Material - Collars Zinc Plated Steel, Outside Dia. 3 in, Width 7/8 in, Clearance Dia. 3.0 in, Screw Size 1/2 In. -13, Screw Material Steel, Operating Temp. Range 0 Degrees to 250 Degrees F. This item has been restricted from sale in the following state (s): []