Features 1、MAIN PURPOSE: Single pendulum ball physics experimental equipment, can be used to study physical mechanics and mechanical vibration, providing intuitive demonstrations. 2、WITH CLEAR DIAL: This experiment tool is equipped with clear and accurate dial, which can be used to verify the relationship between the period and deflection angle of a pendulum. 3、METAL MATERIAL: This demonstration tool is made of excellent metal materials, with high strength, good impact resistance, long service life, and can be used in various environments. 4、STABLE BASE: This physical swing experimental tool is equipped with a stable base, which can be placed on a flat tabletop or ground, providing accurate and reliable experimental results. 5、WIDE APPLICATION: Including 2pcs pendulum experiment tools, widely used in laboratory, physics classroom, and other scenes, providing convenience for research and experimentation. Specification Item Type: Physics Swing Experiment Tool Material: Metal Size: Approx. 10.6 x 9 x 44cm / 4.2 x 3.5 x 17.3in Package List 2 x Physics Swing Experiment Tools