螺旋弹簧组与方座支架、钩码配合，可演示或分组实验简谐振动以及研究“弹簧称的刻度”等。
J2110 Coil Sspring Group
It is combined with the group to support Block, with hook code, demonstration or in groups, harmonic vibration experiments and research, "Spring said of the scale." And so on.