• Single pulley:multipurpose and useful, suitable for school, classroom, laboratory, can be used to demonstrate the principle of pulleys and how they work,science experiment pulley block
• Pulley block and bracket:the bracket is stable and firm, ensuring stability and safety during science experiments,physical experiment pulley block
• Physics experiment pulley block:the rope is easy to suspend, simple to use, proper for a variety of experimental needs,scientific experiment pulley block
• Pulley block and rope:pulley block set includes single and double pulleys, bracket and rope, for easy hanging and operation during physics and mechanics experiments,double pulley
• Pulley block kit:proper for conducting a wide range of experiments in physics and mechanics, suitable for teacher, student,mechanics experiment pulley block