6Pcs/Set Mechanical Effect Mechanics Demonstration Pulleys Physical Laboratory Equipment Experiment Model

Description This demonstration pulley block is designed for use in junior high school physics teaching and elementary school natural knowledge subjects in classroom presentations or group experiments Specifications Material Metal shelf Plastic wheelWeight Appr 395gMaximum Load 20NScope Of Application Mechanical effect mechanics Features Has a good experimental display effect Teachers can use it to demonstrate the effects of pulley construction work principle and mechanical efficiency Package Included 2 Pcs x Three Parallel Pulley2 Pcs x Three Series Pulley2 Pcs x Single Pulley