Small counterweight is craft from stainless steel, resistance Small counterweight 20g is designed to balance your camera on gimbals Stabilizers by adjusting the quantity and position Designed for easy stacking, this counterweight features a 1/4“-20 screw on 1side and a 1/4”-20 threaded hole on the other to add more counterweights if necessary For easy installation and detachment, the unsmooth surfaces features lines to increase friction Perfect for balancing your heavy-side camera on gimbals stabilizers