http://www.stone-cnc.com/machine-accessories/ Description This CNC Router Nut Clamp features a mini size with a compact design that is ideal for use with T-slots on benchtop CNC machines. It can accommodate materials up to 1.77' thick and features easy-to-tighten knobs for quick installation or removal of raw materials. In addition it is made of high quality material, which is not only tough and will not scratch any material, but also very light, easy to transport and not easily deformed. Features Made of high strength aluminum alloy for durability and wear resistance, the CNC Router Nut Clamp provides excellent clamping force for your universal T-track system configurations and components. Ideal for clamping, positioning and fixturing woodworking or metalworking workpieces, it can play a unique role in applications such as planers, drill presses, CNCs, table saws and more. In addition it will give you full control during machining, making adjusting, tightening and securing material a breeze. Specification ModelH(mm)D(mm)d(mm)machine-accessories/