1. Holds power banks with width range 55mm-85mm 2. Multiple 1/4 inch -20 threaded holes for flexible mounting options 3. Soft rubber pads inside preventing scratches to the power bank 4. Lightweight design - 105g<br><br>Universal Holder for Portable Power Banks is designed to attach a power bank to the camera rig when a sustainable charging solution is required. It holds power banks with widths ranging from 55mm to 85mm, which covers most products in the market. On the top, bottom, and back of the holder are 1/4 inch -20 threaded holes, which makes it convenient to attach the holder to different places. For example, you can mount it to the front of the Top Handle, Dual Rod Clamp, BallHead Arm and Cages. The holder features soft protective rubber pads inside, keeping the power bank securely in the clamp and preventing scratches. Compatibility: For Portable chargers with width range 55mm-85mm For Anker: PowerCore 20100 mAh, PowerCore 10,000 mAh, PowerCore 13,000 mAh, PowerCore Slim 5,000 mAh, PowerCore 26,800 mAh, PowerCore Speed 20,000 mAh, etc. For RAVPower, Xtorm and other brands Product Dimensions:72 x 35 x 34mm Net Weight:105g Colour:black Material:Aluminum Alloy<br><br>Package Contents: 1 * Clamp 1 * Wrench<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.