Features: 1. Made of aviation aluminum alloy with CNC process and surface finish, adopt hard anodizing surface treatment, durable to use. 2. Lightweight hollow design, portable. The 1/4 screw can be fixed by tool or coin, very convenient. There are anti-release safety screws on the reverse side of the fast mounting board. 3. It is specially designed for Canon EOS-R. 4. This bracket would not affect the open and close of the side data compartment and bottom battery compartment. 5. Adopt 39mm standard AS interface, suitable for many kinds of ball head with the same specification. Specification: Material: Aluminum Alloy Color: Black Size: Approx. 10*8*4cm/ 3.94*3.15*1.57in Weight: Apporx. 75g Packing List: 1 * Quick Release L-shape Bracket 2 * Wrench 1、Made of aviation aluminum alloy with CNC process and surface finish, adopt hard anodizing surface treatment, durable to use. 2、Lightweight hollow design, portable. The 1/4 screw can be fixed by tool or coin, very convenient. There are anti-release safety screws on the reverse side of the fast mounting board. 3、It is specially designed for Canon EOS-R. 4、This bracket would not affect the open and close of the side data compartment and bottom battery compartment. 5、Adopt 39mm standard AS interface, suitable for many kinds of ball head with the same specification.