Green Cotton Pulley Thread

A length of durable, non-stretch cotton measuring 82 feet (25 meters) long at 1/16 of an inch thick.  The string is specially designed for use with any of our pulleys, allowing you to perform experiments demonstrating basic laws of motion and simple machines.  Perfect for the physics classroom, and great for use with a variety of science fair experiments.

Features:

• 82 feet (25 meters) in length
• Measures 1/16 of an inch in thickness
• Durable and non-stretch
• For use with any of our pulleys
• Peform physics experiments demonstrating basic laws of motion or simple machines