ULANZI PT-4 Features: Ulanzi ​counterweight makes your Zhiyun, Feiyu, Osmo and Evo Gimbals better. Its adjustable design enables you to perfectly counterbalance and calibrate your case and lens setup. Get ready for ultra flowy shots and smooth cinema videos. Compability: Zhiyun Smooth 4, Smooth Q, Feiyu Vimble 2, Osmo Mobile 1 and 2, Evo Shift and most other major gimbals. Enables you to add phone case and lens setup on smartphone when use with gimbal. Features: ​The counterweight balances the gimbal to use a Moment Lens. Offers a set counterweight, contains 4pcs little counterweight. Each little counterweight weights 10g, the mount clamp weights 24g. The mount clamp supports 15mm-25mm. Rubber pad keeps the gimbal safe, and the weight locked in. UURIG R030 Help balance a heavy camera or rig with multiple accessories on your DJI Ronin or Zhiyun Crane series gimbal with the UURig R030 100g Counterweight. This weight can be used on the bottom side of stabilizers that have a 1/4-20 thread hole on the bottom of the camera quick release mount. Alternatively this weight can be used as an extra weight and stacked. This weight has 1/4-20 male female threads which will work with almost any other counterweight kit from UURig, Ulanzi and SmallRig. The integrated silicone bumper helps to protect your gimbal and camera gear from scratches.