Triple Tandem Pulley – 50mm + 38mm + 25mm Cast Metal Wheels with Hooked Frame by GSC International Inc.
The Triple Tandem Pulley from GSC International Inc. is a rugged, classroom-ready pulley designed for force and motion demonstrations, mechanical advantage lessons, and multi-line pulley system setups. This heavy-duty pulley features three wheels stacked in tandem—25mm, 38mm, and 50mm—within a durable cast metal frame, allowing students to explore advanced pulley configurations and motion transfer concepts.
With hooks at both the top and bottom, it attaches quickly to lab stands, support frames, or suspended loads, making it ideal for fast classroom demonstrations and repeat use in STEM labs.
Key Benefits
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Multi-Wheel System: Supports advanced pulley demonstrations and setups
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Clear Learning Tool: Helps illustrate mechanical advantage and pulley ratios
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Strong Build: Cast metal frame holds up to repeated classroom handling
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Quick Setup: Hooks on both ends attach easily to supports or loads
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Specs: Full dimensions: 8" L x 4" W x 3" H | Wheel sizes: 50mm + 38mm + 25mm | Material: Cast metal
