4 COLLISION BALLS , PENDULUM BALLS , BALLS WITH HANGER ( Al,Cu,Steel,Brass)

Ideal for implementing a simple pendulum Clamping nut compatible with round or square rod stands (section 15 mm max) Masses of the spheres with hook

Features

copper: 33.6 g, steel: 29.7 g, brass: 32.2 g, aluminum: 10.8 g.