This vertical bench pulley consists of a 4cm plastic pulley mounted on a table clamp with low friction brass cone bearings. It can be used on lab tables or inclined boards for experiments involving the resolution of forces, fricton, motion, etc. It can clamp onto surfaces up to 3cm thick. a crosspiece on the screw offers more gripping force and the felt padding inside the clamp protects table surfaces.
See Updated Version "PULLEYTCM"