Versatile Super Clamp With an adjustable jaw opening, the clamp fits around a rod, tube, pipe, and crossbar 0.7"-2" (18-50mm) in diameter or a flat desk up to 2"/50mm thick. Adjust the opening with the handy lever High Load Capacity The maximum load capacity of this clamp is 4.4lb (2kg), high enough for supporting various accessories and devices for safety and stability Diverse Attachment Attach a Speedlite, mirrorless camera, action camera, monitor, or video light to the clamp via the cold shoe mount or 1/4" & 3/8" threads. Compatible with SmallRig magic arms and ball head arms, Compatible with GoPro insta360 action cameras, compatible with Feelword field monitors and NEEWER Mini Lights Nonslip Rubber Pads Inside rubber pads increase the gripping strength while protecting your device from scratches Durable Metal Build Aluminum alloy and stainless steel hybrid material with precise CNC machining makes this clamp durable and resistant to corrosion and scratches