Pulley, Triple Parallel, Aluminum, Pack of 5

GSC International 16084-5 Triple Parallel Pulley, Aluminum, Pack of 5 This triple parallel pulley is made of low-friction aluminum and has a metal housing and hooks at the top and the bottom. Its wheels are 50mm in diameter.Sold in a pack of 5 pulleys. Three Pulleys in Parallel: Features 3 identical 50mm pulleys for conducting multi-pulley experiments. Durable Design: Built with a strong aluminum frame that is powder coated for extra durability. Deep Grooves for Security: Pulley wheels have deep grooves to securely hold cords in place during experimentation. STEM Education Tool: Perfect for demonstrating the principles of force, motion, and mechanical advantage in physics. Pack of 5 ⚠️ Proposition 65 Warning for California Residents: WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.