Conveying Chain Sprocket; 1-1/2" Bore; 1" Pitch; 1503 | 1505 | 1506 Modular - Flat Top Size; 24 Teeth; C-Hub Both Sides Type; Finished Bore; Round; 4.55" Outside Diameter; 4.524" Pitch Diameter; Straight Running; Thermoplastic Material; No Grooved; Split; Keyway