Features:brand new and high qualityClip with two M5 holes and one 1/4 hole,with light stand hex interface,for most devices.Securely attaches to round and flat surfaces.Clamp Range-Max.(Round Tube)55mm/2.17in.Clamp Range-Min (Round Tube) 13mm/0.51in.Install on any pipe from 13 mm/0.15 inches to 55 mm/2.17 inch.Metal clamp connected via 5/8" hex interface. With ratchet handle. Specifications:Material : Aluminum AlloyColor : BlackSize:100x150x60mm/3.94x5.91x2.36inInterface :16mm hexagonal + M5& 1/4" threads attachment typeClamp Range - Max. (Round Tube) : 2.17 inClamp Range Min Round Tube : 0.51 inLoad Capacity : 15KG/33.07 lbs Note:Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x SLR Camera Mounting Clamp