Triple Tandem Pulley (Pack of 10) – 50mm + 38mm + 25mm Cast Metal Wheels with Dual Hooks by GSC International Inc.

Triple Tandem Pulley (Pack of 10) – 50mm + 38mm + 25mm Cast Metal Wheels with Dual Hooks by GSC International Inc.

The Triple Tandem Pulley (Pack of 10) from GSC International Inc. is a durable classroom tool designed for force and motion demonstrations and hands-on STEM learning. Each pulley features three cast metal wheels stacked in tandem—50mm, 38mm, and 25mm—making it ideal for teaching pulley ratios, mechanical advantage, and multi-line systems.

Built with a strong cast metal frame and hooks on both the top and bottom, these pulleys are easy to hang from supports or attach to suspended loads for quick setup during labs and demonstrations.

Key Benefits

• Bulk Classroom Set: Pack of 10 supports multiple student groups at once
• Advanced Demonstrations: Triple-wheel design enables complex pulley systems
• Durable Build: Cast metal frame withstands repeated lab use
• Quick Hanging: Dual hooks allow fast mounting to supports or loads
• Specs: Full dimensions: 8" L x 5" W x 3" H | Wheel sizes: 50mm + 38mm + 25mm | Material: Cast metal