Custom Brackets RF-PRO Rapid Fire Flash Bracket with 1/4" x 20 Threaded Tripod Mount Custom Brackets RF-PRO Rapid Fire Flash Bracket - 1/8" Allen Wrench - 1/4" x 20 Threaded Tripod Mount - Custom Brackets 5 Year Warranty The only roller bearing bracket for flash rotation available Built-in camera and flash anti-twist Slot for camera hand strap Aluminum for light weight & black anodized