C&A Scientific Sheave Pulleys, Double
Pulleys are a great tool for demonstrating the use of a simple machine to make work easier Both Sheave Pulleys and Tandem Pulleys are made of black plastic and have sturdy hooks at the top and bottom. Great tool for demonstrating the use of simple machines. Black plastic with sturdy hooks at top and bottom. 50 mm (about 2 in) diameter. Pully System - Double