Cold Shoe could be mounted on any camera accessories with 1/4" and M2.5 threaded holes, such as cage, cold shoe block, handle and etc. The counter bore hole in the center is attachable to a 1/4" screw, but the 1/4" screw will not touch the hot shoe contact of accessories mounted on the cold shoe. There comes with two secure bending bevels on the end to prevent accidental removal. With a stop screw on the cold shoe to prevent shoe mount accessories from accidentally sliding forward and keep your accessories slide perfectly in right place. Sturdy Aluminum alloy material with precision CNC machining and black anodized treatment for higher durability. Specification: Material:aluminum Size: 2.5*2.5cm Package Includes: 1Piece Hot Shoe Mount Adapter