Single Pulley 4"H Black Plastic with Metal Housing Hooks Top & Bottom for STEM Labs By GSC International Inc.

This Single Pulley is ideal for physics classrooms, STEM labs, and DIY mechanical projects. Featuring a 50mm black plastic wheel housed in sturdy metal, it rotates smoothly for reliable mechanical demonstrations and experiments.

Hooks at both the top and bottom make it easy to attach cords, weights, or other apparatus, enabling flexible use in educational setups. Its compact and lightweight design allows easy handling, placement, and storage during experiments.

Built for long-lasting use, this pulley combines functional durability with simple yet effective design. Perfect for students, teachers, and hobbyists, it’s a versatile tool for learning and practical mechanical applications.

Key Features:

• Reliable Mechanical Performance: Smooth rotation with durable plastic wheel | Full Dimensions: 4"H x 1.875"L x 0.5"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: Simple to handle, transport, and store for classroom or workshop use
• Durable Construction: Plastic wheel with metal housing ensures long-term reliability for repeated experiments