This sturdy, aluminum constructed Tilta Universal Power Bank Holder allows you to add any power bank measuring 2.3 to 3.7-inches wide and up to 1.2-inches tall. The holder is adjustable to fit the power bank of your choice, and mounts right onto your cage or rig with the two provided 1/4"-20 screws. Wanna add more accessories? There’s a cold shoe mount and 1/4"-20 threads available as well!