The single pulley block is nice for teaching fundamentals of mechanics in a physics lab. By incorporating the fixed pulley into experiments, students can observe the effects of different pulley systems on lifting tasks. This helps students grasp the practical applications of mechanical and the efficiency of pulley systems. Features -Color:Multi -Material:Plastic, metal -Size:10.00X4.00X1.50cm/3.93X1.57X0.59in -Userfriendly design: the single pulley is easy to operate, nice for conducting a variety of physics and mechanics experiments with ease - durability: made from plastic and metal materials, this pulley is designed to last -Adaptable functionality: this pulley can be used for multiple types of experiments, making it versatile -Portable and convenient: single pulley block is easy to carry and store, ideal for use in classrooms, laboratories, and other teaching environments -Comprehensive learning tool: the single pulley is nice for demonstrating the principles and functions of pulleys, enhancing students understanding of mechanical concepts Package list: 1 x pulley block