https://www.acehardware.com/departments/hardware/chain-and-rope/pulleys/22815
Chicago Die Cast 3-1/2 in. D X 1/2 in. D Zinc Single V-Grooved Pulley Mfr# 350A5 - Ace Hardware
Machined to exact tolerances and balanced to reduce vibration, the solid die cast iron pulleys will make any power transfer system run smoother and...