The contrast double clamp from drone is a high quality cylinder clamp machined from the highest quality t6 aluminium with chamfered contrast raw edges for a rough finish the unique hex design is compact and strong with an engraved drone logo to the side weighing in at just 126g and held together with high quality high tensile nickel plated steel bolts this clamp is both lightweight and super sturdyweight 126gheight 45mmsuitable for standard sized bars with a shim or oversized bars without