Check the listing for details. Neewer UA017 Super Clamp with 5/8" Snap-In Pin. Color: Black, Condition: New – Open box. Listed at 28.99 USD. This is for 1 - Neewer UA017 Super Clamp with 5/8" Snap-In Pin Easy & Secure Mounting- The long lever helps you tighten the super clamp with minimal effort. "LIFT" the long handle and then rotate to tighten the super clamp if obstacles are in the wayFor Round/Flat Surfaces- With the wedge insert, this super clamp can secure on flat desks up to 1.6" (4cm) thick. Without the insert, it can clutch on round items 0.2"2.4" (0.5-6cm) in diameter, such as background crossbars, rods, tubes, poles and tripod legs. Rubber pads with nonslip patterns bring more stability to a stationary position4"/10cm Long 5/8" Stud- Plug the hexagonal tip of the 5/8" stud into the super clamp while pressing the quick release spring lock for convenient yet stable mounting. The 5/8" stud is ideal for ring lights, strobes, monolights, LED studio video lights, LED panel lights, and other devices with the 5/8" receiverSeveral Mounting Points- A 1/4" thread connects a magic arm or dual ball head adapter. Two M5 threads and two joining holes are designed for connecting another super clamp or magic arm camera mount for flexible applicationBigger and Stronger- Made of black anodized aluminum alloy for superb durability, this heavy duty super clamp weighs 22.5oz (637g) and can support equipment of up to 33lb (15kg). Ideal for camera and lighting mounting and more photography equipmentSpecificationsModel: UA017Material: Aluminum alloyLoad Capacity: 33lb/15kgMax Jaw Opening (for Flat Surfaces): 1.6"/4cmMin Jaw Opening (for Round Surfaces): 0.2"/0.5cmMax Jaw Opening (for Round Surfaces): 2.4"/6cmDimensions: 6.3"x3.7"x1.8"/160x95x45mmWeight: 22.5oz/637gPackage Contents1 x Super Clamp1 x 5/8" Stud (Length: 4"/10cm)(A30)