1. Holds power with width range 55mm-85mm 2. Multiple 1/4"-20 threaded holes for flexible mounting options 3. Soft rubber pads inside preventing scratches to the power bank 4. Applicable diameter 12-22mm Universal Holder for Portable Power is designed to attach a power bank to the camera rig when a sustainable charging solution is required. It holds power 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"-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 : 20100 mAh, 10,000 mAh, 13,000 mAh, Slim 5,000 mAh, 26,800 mAh, Speed 20,000 mAh, etc. for , Xtorm and other Details: Color: Black Dimensions: 73*34*34mm Weight: 105g Features: 1. Clamping range: 55-85mm 2. Suitable for clamping hard drives, power , mobile phones, and other devices 3. Universal 1/4" threaded rod 4. aluminum alloy construction Includes: 1 clamp Material: Aluminum Alloy Package Contents: 1*Portable Hard Drive Clamp 2*Wrench 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.