Easy & Secure Mounting：Effortlessly tighten the super clamp with the long lever, facilitating hassle-free adjustments. When obstacles are present, simply "LIFT" the long handle and rotate to tighten the clamp securely. | Versatile Compatibility：This super clamp is designed for both round and flat surfaces. With the included wedge insert, it securely grips flat desks up to 1.6" (4cm) thick, while without the insert, it clutches onto round items ranging from 0.2" to 2.4" (0.5-6cm) in diameter, including background crossbars, rods, tubes, poles, and tripod legs. Rubber pads with nonslip patterns enhance stability in stationary positions. | Multiple Mounting Points：Equipped with a 1/4" thread, this clamp connects seamlessly with a magic arm or dual ball head adapter. M5 screws enable connection to other super clamps or magic arm camera mounts, allowing for versatile applications. | Bigger and Stronger Build：Crafted from black anodized aluminum alloy, this heavy-duty super clamp boasts exceptional durability, weighing 22.5oz (637g) and supporting equipment of up to 33lb (15kg). Ideal for mounting cameras, lighting equipment, and various other photography gear. | Wide Jaw Range and Secure Grip：With a jaw range from 0.5" to 2.1", this solid die-cast aluminum alloy clamp securely attaches to both round and flat surfaces. Its robust construction ensures a reliable grip, making it suitable for securing cameras, lights, hooks, shelves, plate glass, and crossbars with confidence.