Info:IDC Select® IDC 1VP044-3/4 Heavy Duty Type 1 Variable Pitch Sheave With Keyway and Setscrew, 3/4 in Bore, 4.15 in OD, 1 Grooves, 4.1 in Dia Pitch, 1.06 in W Face
Info:Martin 1VP50 1 1/8 Bored-to-Size Type B Single Groove Variable Pitch Sheave, Finished Bore, 1-1/8 in Dia Bore, 4-3/4 in OD, 3.4 to 4.2 in Dia Pitch