C and A Scientific 97-1202 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