Product: Physics mechanics decomposition and synthesis experimental teaching equipment, support rod fixed pulley and table edge clamp set Material: This support rod fixed pulley and table clamp group is made of sturdy metal material, ensuring its durability and longevity for repeated use in teaching physics experiments Product Dimensions: The product has a length of 27.5cm, making it compact enough for easy storage and handled during experiments Easy to Use: The pulley system is designed to be clamped, allowing for easy installation and secure handling. Providing all the necessary components for conducting physics mechanics decomposition and synthesis experiments Ideal Teaching Tool: An essential physics experimental equipment for students and teachers, great for teaching mechanics effects in physics. Can be used to demonstrate the principle of pulleys and how they work in real machines Specification: Material: Metal Size Chart: Length: 27.5cm/10.83inch Package Includes: Type A: 3 Pieces Fixed Pulleys Type B:3 Pieces Fixed Pulleys, 1 Piece 5NDynamometer, 10 Pieces 50gHook Weight Note: Please allow slightly errors 1-2cm differences due to manual measurement.