Triple Tandem Pulley 7.5"H Black Plastic and Metal Three Wheel Mechanical Physics Experiment Tool Pack of 25 with Dual Hooks By GSC International Inc.

Support advanced mechanical demonstrations and classroom experiments with this Triple Tandem Pulley set designed for physics and STEM learning. Measuring 7.5" in height, each pulley features three wheels arranged in tandem, with the largest wheel measuring 50mm in diameter for smooth and controlled motion during lifting and force experiments. Constructed with black plastic wheels and a durable metal housing, it ensures consistent performance in repeated educational use.

Each pulley includes hooks at both the top and bottom for quick and secure attachment to lab stands, weights, and support systems. Sold as a pack of 25, this set is ideal for group learning, lab environments, and classroom setups. Designed for indoor academic use, it helps students explore motion, tension, and mechanical advantage through hands-on experimentation.

Key Features:

• Enhanced Load Handling: Triple wheel design improves force distribution and lifting efficiency | Full Dimensions 7.5"H x 2"W x 0.5"D
• Ideal for Group Learning: Pack of 25 supports classroom activities and multi-student experiments
• Smooth Rotation Performance: 50mm primary wheel ensures consistent, low friction movement
• Flexible Attachment Design: Dual hooks allow secure and quick integration into lab setups
• Durable Classroom Use: Plastic and metal construction ensures long-term reliability