Pulleys
![O Ring Suit 30mm Pulley PK10](https://www.wiltronics.com.au/wp-content/uploads/products/o-ring-suit-30mm-pulley-pk10.jpg)
A wide selection of Nylon pulleys. From 5mm dia with a 1.9mm hole to 30 and 50mm dia, both with a 2.4mm hole.
A pulley is a wheel with a flexible rope, cord, cable, chain, or belt attached to its rim. You can use pulleys singly or in groups to transmit energy and motion.