Conveying Chain Sprocket; 3/4" Bore; 0.591" Pitch; 1503 | 1505 | 1506 Modular - Flat Top Size; 7 Teeth; A-No Hub Type; Finished Bore; Round; 1.31" Outside Diameter; 1.364" Pitch Diameter; Straight Running | Back Flexing; Thermoplastic Material; No Grooved; No Split; Keyway