UURig R060 Super Crab Clamp Fits Surfaces from 0.6 to 1.7" Wide, 1/4"-20 & 3/8"-16 Threads & Screws, Nonslip Silicone Interior Design, Locking Lever, Aluminum Construction, 1 x ARRI-Style Anti-Twist Mount VIDEO PROF GIMBALS-Gimbal Accessory Mounting...