Info:IDC Select® IDC 1VP040-1-1/8 Heavy Duty Type 1 Variable Pitch Sheave With Keyway and Setscrew, 1-1/8 in Bore, 3-3/4 in OD, 1 Grooves, 3.7 in Dia Pitch, 1.06 in W Face
Info:Martin 1VP44 1 1/8 Bored-to-Size Type B Single Groove Variable Pitch Sheave, Finished Bore, 1-1/8 in Dia Bore, 4.15 in OD, 2.8 to 3.7 in Dia Pitch