Double Tandem Pulley – 50mm + 38mm Cast Metal Wheels with Hooks, Pack of 10 by GSC International Inc.
The Double Tandem Pulley from GSC International Inc. is a classroom-ready, durable tool designed for hands-on demonstrations of force, motion, and mechanical advantage. This pulley features two stacked wheels in tandem—a 50mm bottom wheel and a 38mm top wheel—within a sturdy cast metal housing. Hooks at both the top and bottom allow quick attachment to ropes, lab stands, or support frames.
Sold as a pack of 10, this set is ideal for physics classrooms, STEM labs, and group experiments. Painted metal finish ensures durability and long-term performance.
Key Benefits
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Dual Wheel System: Supports mechanical setups requiring tandem pulleys
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Smooth Operation: Cast metal construction ensures reliable pulley rotation
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Easy Mounting: Hooks allow quick attachment to ropes or stands
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Durable Frame: Painted metal withstands repeated classroom use
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Classroom Ready: Pack of 10 pulleys ideal for group experiments
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Wheel diameters: 50mm (bottom) + 38mm (top)
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Product dimensions (LxWxH): 7" x 5" x 3"
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Material: Painted cast metal
