FeatureSuitable for CameraDiaeter: approx 20mmHeight: approx 50mm1/4 inch Rotation Ball Head Screw Mount for DSLR Camera Tripod Monopod Ballhead 1/4" screw thread at the top, compatible for most DSLR cameras, camcorders, and many others 1/4" screw gap at the backside for smoothly mounting on digicam tripod or monopod degrees rotation adjustment quality aluminum alloy, durable to use, handy to carry around:aluminum alloyPackage include:1pc