Description: Material: Made of Aluminum alloy, machined by precision CNC and surface processed with hard anodized oxidation treatment, Lightweight, small and exquisite. Fitments: This long version cheese is equipped with numerous 1/4"-20 and 3/8"-16 threaded mounting holes in standard spacing (9mm center to center). Use: It can be mounted on railblocks, dovetails and short rods. Functions: It works as a switching when attached to the bottom of a DSLR cage. Usage scenario - Some of the holes are threaded for a standard 1/4-20 tripod screw while others let the same type of screw sit inside the bar and stick out on the other side, you can attach a camera to the bar and then the bar to a tripod and offset the camera from where it would be when using the tripod screw in the first place Size Chart: 90x50x10mm/3.54x1.97x0.39inch Package Includes: 1 Piece Cheese 2 Pieces 1/4" Screw 1 Piece Spanner Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!