Pulley on Rod (1606-8) PULLEY W/EXTENSION ARM 50MM AL Rod-Mounted Pulley - Essential for teaching about simple machines and force! An aluminum 50mm pulley mounted on an aluminum support with handle. The rod mounted pulley can be used to build your own incline plane, and can be mounted to a support rod using a right-angle clamp. Rod-Mounted Pulley (10" x 2-1/2" x 3-3/4" .7lb). 1606-8P Same as above, only mounted with plastic pulley. Qty :