This product is made of high quality cast iron, the surface has a layer of gray powder, smooth and bright, anti-corrosion and rust, durable.
The outer diameter of this product is about 5.75 inches, and the aperture size is about 1 inch. Pulley Bore Type: fixed hole.
The pulley runs smoothly, has low noise, small vibration and does not slip.
This product is A standard V-shaped pulley: suitable for V-shaped pulley A, 3L and 4L (A and AX).
If you have any questions during the purchase or installation process, you can contact us through the Amazon platform and we will give you a satisfactory answer.