1C-050-A One-Piece Clamping Collar
38 in, Collar Width 7/16 in, Collar Material Aluminum, Keyway Width Not Applicable, Collar Material Grade 6061, Keyway Depth Not Applicable, Thread Direction Not Applicable, Center to Lever Top Not Applicable, Collar Construction 1-Piece, Screw Material Carbon Steel.Shaft Collar, System of Measurement Inch, Bore Type Round, Bore Diameter 1/2 in, Bore Thread Size Not Applicable, Collar Outside Diameter 1 1/8 in, Inside Height to Flat Not Applicable, Clearance Diameter 1.