Features:Made of stainless steel, wear resistant and durable for long time use, with clear engraving scale, easy to read.Available in 200mm measuring range, 300mm measuring range and 400mm measuring range, meeting different needs.Each scale line has a hole for positioning, and there are holes designed to provide accuracy up to 0.25mm, high precision suitable for woodworking.It also has horizontal scales with holes on the right end, allowing you to draw horizontal lines at a specific level.High precision multifunctional ruler, essential for artists, designers, architects, engineers, etc. Specifications: Material: Stainless Steel Length: 180mm(right angle ruler)/200mm(T type ruler)/300mm(T type ruler)/400mm(T type ruler)(optional) Package Weight: 167g / 5.89oz Package Size: 46.5*12.3*2.7cm/18.3*4.84*1.06in Packing list:1 * ruler