Features: Suitable for woodworking - solid aluminium- laser-marking - high-precision. With metric/inch scale(optional), accurate reading and can meet different needs-. By controlling the positioning of the teeth and the milling cutter-, it is easy to accurately control the size of the bumps. Made of Aluminum with engraved-marking for ultimate- clarity- and long lasting-durability. Ideal- for setting up blade height on table saws- and Router- bits- depth. Perfect for setting up blade height on table saws- and Router- bits- depth. Specifications: Material: aluminum-alloy Type: metric/inch(optional) Package size: approx 22x17x3.5cm/8.66x6.69x1.38-inch Note: Please allow 1-3cm error due to manual measurement. please 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: 1xStep Depth Gauge