The SmallRig Counterweight (200g) for DJI Ronin S, Zhiyun Gimbal Stabilizer, Weebill series is designed to balance your camera on Gimbal Stabilizers by adjusting the amount and position of it. Such as DJI Ronin S, Zhiyun Crane series, and Weebill Lab Gimbals. The Counterweights are available in 2 sizes, 100g and 200g. It features a 1/4"-20 screw on one end and a 1/4"-20 threaded hole on the other, so you can connect one to another as needed. The counterweight is specifically designed to be compatible with the Smallrig Counterweight mounting plate 2274, 2277, and 2283. Optional 100g Counterweight 2285 is provided if needed.