chromlives super clamp photography camera crab clamp with 1/4''-20 to 1/4'' 20 screw converter for 15mm rods/lights/umbrellas/shelves/cross bars and more chromlives <b>chromlives photography super clamp with 1/4" wheel nut and 1/4" screw adapter</b><br/> this super clamp is able to fix onto any shaped body such as: water pipes, handrails, doors, shelves, tables, branches, wires, etc.<br/> super clamp comes with universal 1/4"-20 and 3/8"-16 thread which allow more setups such as fix a ball head on it to connect your led light,action camera,microphone. and there are more setup choices to install your camera photo accessories.<br/><br/> features:<br/> - super clamp with 1/4"-20 and 3/8"-16 threaded holes;<br/> - comes with 1/4 wheel nut and 1/4"-20 screw;<br/> - suggest mounting shape/tube items with size 0.6"-1.73" in diameter.<br/><br/> material:anti-rust stainless steel and lightweight aluminum alloy<br/> note: this is not an original manfroto super clamp but a super clamp in a smaller size. it functions very well and can hold heavy weight configurations.<br/> package includes 1x super clamp;1x wheel locknut; 1x 1/4"-20 screw.