Double Tandem Pulley – 50mm + 38mm Low-Friction Aluminum Wheels with Hooked Metal Frame by GSC International Inc.

Double Tandem Pulley – 50mm + 38mm Low-Friction Aluminum Wheels with Hooked Metal Frame by GSC International Inc.

The Double Tandem Pulley from GSC International Inc. is a durable, classroom-ready tool designed for hands-on force and motion experiments. This unique pulley design features two aluminum wheels stacked in tandem within one metal housing—one 50mm wheel and one 38mm wheel—making it ideal for demonstrating pulley ratios, mechanical advantage, and multi-line systems.

Built with low-friction aluminum pulleys and a strong metal frame, it delivers smooth performance and dependable alignment. Hooks at both the top and bottom allow quick attachment to lab stands, support frames, or suspended loads for fast setup during demonstrations or student activities.

Key Benefits

• Dual Wheel System: Two stacked pulleys support advanced mechanical setups
• Smooth Pull: Low-friction aluminum reduces drag during experiments
• Secure Cording: Deep grooves help prevent slipping and misalignment
• Fast Hanging: Hooks on both ends allow quick attachment to loads and supports
• Durable Frame: Powder-coated metal housing withstands repeated classroom use
• Specs: Full dimensions: 0.75" L x 2" W x 5.75" H | Wheel sizes: 50mm + 38mm