Quadruple Parallel Pulley 4"H Black Plastic with Metal Housing, Four 50mm Wheels, Hooks Top & Bottom By GSC International Inc

This Quadruple Parallel Pulley is ideal for physics classrooms, STEM labs, and DIY mechanical projects. It features four 50mm black plastic wheels arranged in parallel within a sturdy metal housing, providing smooth rotation and reliable mechanical demonstrations.

Hooks at both the top and bottom allow easy attachment to cords, weights, or other apparatus, offering versatility for educational, workshop, or DIY setups. Its compact and lightweight design ensures convenient handling, placement, and storage during experiments.

Built for long-term use, this pulley delivers durability, reliability, and functional flexibility. Perfect for students, teachers, and hobbyists, it is a practical component for mechanical applications and STEM learning environments.

Key Features

• Reliable Mechanical Performance: Smooth rotation with four durable plastic wheels | Full Dimensions: 4"H x 2"L x 1"W
• Versatile STEM Tool: Perfect for physics experiments, mechanical demonstrations, and educational projects
• Easy Attachment: Hooks on top and bottom allow secure and flexible setup in labs or DIY projects
• Compact & Lightweight: Easy to handle, transport, and store for classroom or workshop use
• Durable Construction: Plastic wheels with metal housing ensure long-term reliability for repeated experiments