● Used to study the principle and equilibrium conditions of the lever.

● 200g, 1g, pointer type. Including 1 base, 1 beam with tray, tray box, sliding poise, red pointer. Balancing weight: 8 pcs 20g, 4 pcs 10g, 1 pc Ⅱ-shaped sliding poise.

● Base size: 110*86*82mm.