Pulley Triple Parallel Metal 50mm diameter. Pack of 5

GSC International Pulley Triple Parallel Metal 50mm diameter. Pack of 5. This is a cast metal pulley, 50mm diameter with a triple, side by side groove. The pulley has a hook at the top and bottom of the frame. These pulleys are generally used as demonstrations in education, but they can also be used as a tool for relatively light items. Pack 5 each. Triple Pulley System – Three vertically aligned wheels allow for multi-line setups and exploration of compound mechanical systems. Hooks on Top and Bottom – Enables both fixed and movable pulley configurations for flexible and engaging experiments. Sturdy Metal Construction – All-metal frame with painted finish offers long-lasting durability for lab and classroom use. Smooth Operation – Precision alignment and low-friction wheels ensure accurate results when studying force, motion, and load balancing. Perfect for Physics Education – Supports a wide range of experiments on mechanical advantage, work, and energy for middle school through coll