The Promage Dual Super Clamp PM-CC128 is a versatile clamp that can be used to attach cameras, lights, and other accessories to various surfaces. It features two clamping mechanisms that can hold onto flat or round objects with a diameter range of 15mm to 50mm. The clamps are equipped with rubber pads to ensure a secure and scratch-free grip, while the tightening knobs provide an easy and durable way to adjust the clamping pressure. The Promage Dual Super Clamp PM-CC128 also comes with a 1/4"-20 and 3/8"-16 threaded hole on the top for mounting ball heads or other accessories. Its durable aluminum construction makes it lightweight yet rugged enough to withstand daily use.