Outer diameter: 17mm
Inner groove diameter: About 14mm
Wheel Thickness: 4mm
Wheel Aperture: 1.9mm (tightly fitted with 2mm shaft)
Shipping list: 1 pack (10)
2*17mm pulley (yellow), a pack of 10, can be made into a fixed pulley block, can be used as a small wheel, can be used to design mini pulley reducer transmission.
