Small Plastic Pulleys
Gelsonlab HSPD-035 High quality Small Plastic Pulley for Physical experiment
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.Quadruple, parallel D50mm, black& color