Pulley, Triple Parallel Plastic, Case of 150

GSC International 4-16063-CS Triple Parallel Pulley, Plastic, Case of 150 Pulley Triple Plastic 50mm wheel black color plastic with metal housing to hold the wheels. Case of 150 Triple-Wheel Parallel Design – Features three plastic wheels aligned side by side for exploring compound pulley systems and balanced load distribution. Sturdy Metal Frame – Rugged metal housing ensures durability and stability during repeated classroom use and experimentation. Perfect for Physics Labs – Supports lessons on mechanical advantage, force redirection, and Newtonian mechanics through hands-on engagement. Smooth, Low-Friction Operation – Plastic wheels rotate freely for efficient demonstrations and accurate results in experiments. Ideal for Educational Use – Suitable for middle school, high school, and college-level instruction in STEM and physical science courses. ⚠️ Proposition 65 Warning for California Residents: WARNING: This product may expose you to chemicals including styrene and/or bisphenol A