Number of Teeth (effect): 12; Hub Type: C; Bore Size: 1 1/2 in; Sprocket Type: Split Molded; Sprocket Material: Thermoplastic; Pitch Diameter: 5.796 in; Keyway Type: Straight; Bore Shape: Round; Bore Type: Shaft Ready; Number of Keyways: 1; Number of Sets; Product Line: Sprockets; Series: Plastic Split Sprockets; Model = KUS7700