V Belt Pulleys, Sheaves, Timing Pulley manufacturer / supplier in China, offering Inch Single Split Shaft Collars I1p12-I1p400 with Od 1/2"-5 1/4" Bore 1/8"-1 13/16", Metric Single Split Shaft Collars M1p3-M1p80 with Od 16-108mm Bore 3-80mm, Inch Double Split Shaft Collars I2p12-I2p400 with Od 1/2"-5 1/4" Bore 1/8"-1 13/16" and so on.