Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Pulley, Triple Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Visual Scientifics Extended Inclined Plane, Extended Length Allows For Easier Investigations Of Newton'S Laws And Collisions. Consists Of Incline Plane With Track, Car, Mounting Rods, And Hardware, Pulley Attachment, And Nylon Cord