Super Clamp with 1/4 and 3/8 Thread for Cameras, Lights, Umbrellas, Hooks, Shelves, Plate Glass, for Cross Bars brand new and high quality Features: VERSATILITYThe super clamp is designed to mount onto anything like cameras, lights, umbrellas, hooks, shelves, plate glass, for cross bars, even other Super Clamps. It's up to your imagination & inventive ideas. ADJUSTABLE JAWThe jaw opens to max about 1.57" (40mm), and minimum 15mm. You can clip it on anything less than 40mm thick and more than 15mm. FOR MORE ACCESSORIESThe clamp features 1/4'' threaded holes and 3/8 threaded hole, which allow you to attach more accessories, such as ballhead 1135, magic arm 2070. High-QualityMade of aluminum alloy and stainless steel, sturdy and durable. BETTER PROTECETIONThe updated rubber pads on the clamp parts prevent your application from slipping and scratching. Specifications: Material:metal size:jaw opens to max about 1.57" (40mm) color:As shown in the picture Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch. Please allow 0-1cm 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. Thank you! Package includes: 1 x Super Clamp (other accessories demo in the picture is not includ)