School Lab Small Plastic Pulleys

School Lab Small Plastic Pulleys

This small plastic pulleys will work great for any physics experiment. Its steel frame makes it very strong and capable of lifting loads with ease. Mounting hooks are conveniently placed on both ends of the pulley which allows you, the operator, to use them in virtually any situation. Having two separate wheels allows for multiple applications.
Pulley is constructed of hard plastic and metal. 
Single, tandem/ parallel,D30mm-D40mm-D50mm-70mm,black & color                 
Double, tandem/ parallel  D40mm- D50mm,black& color           
Triple, tandem/ parallel  D30mm-D40mm-D50mm,black& color  

Quadruple, parallel  D50mm, black& color