Brand Name : XT-XINTE Material: Anodized Aluminum Metal Color: Black The screw nuts diameter is 1 inch, please kindly notice it. Quantity: 1 piece 1. Made of high-quality aluminum alloy material. 2. 1/4 or 3/8 inch standard screw head, can be used for a variety of SLR cameras or electronic devices. Double nut design, adjustable locking. 3. Used with a flash base can support the camera on the ground without worrying about camera and lens wear. 4. Facilitate the two cameras are connected together, the TTL cord to the L-shaped bracket, and then loaded on the flash. 5. Enhanced not only accompanied by a pair of screws, locking up and down, and screw bigger than some of the trumpet, more durable, convenient and practical.