Pulley Double, 2 Aluminum Wheels (50mm) in Parallel

GSC International 16081 Double Pulley Kit – 2 Aluminum Wheels (50mm) in Parallel – STEM/STEAM Science Experiment for Classroom & Homeschool – Demonstrates Force, Motion, Acceleration, Gravity, Inertia, Momentum – Affordable Educational Learning Supplies This double 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. Low Friction Operation: Features two parallel pulleys (50mm) for smooth and efficient use in experiments. Ideal for Demonstrating Forces: Perfect for illustrating concepts of force, motion, and acceleration. Accurate Centering: Pulleys are precisely centered for accurate experimental results. Affordable & Durable: A robust educational tool for science classrooms and homeschool setups. Deep wheel grooves ⚠️ 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 o