NIUNIU Specifications] The base point of the height gauge is level off the table top. Let the required scale aimed at the target, adjust it to make it close to the height until it fits to obtain the desired height. [Parameters] This height gauge set includes two specifications of about 5-36mm/5.5-36.5mm(0.20-1.42in/0.22-1.44in), which can meet your various height measurement needs in the widest range. [Wide application] Suitable for table saws, band saws, flip-chip engravers, milling machines and other machines that require height measurement. [Material] Made of high quality Bakelite material, with good wear resistance and durability, is sturdy and long lasting. Size: 130*130*8mm Colour: Black Contents of delivery: 2pcs, measuring tool for table saw milling machine