1、Smooth design, each edge and corner of the ruler body and ruler base are polished by a special process, so that it is smooth and does not hurt your hands. 2、Adopts high‑quality aluminum alloy material and thick design, with high corrosion resistance and oxidation resistance, high hardness and durability. 3、The scale is clear, the metric and inch double scales, the writing is clear, the reading is clear and not easy to wear. 4、It can be used for measuring the height, easy to use, easy to handle without damaging the edge. 5、Essential tool for home builders, DIYers, carpenters, artists and hobbyists, very useful for machine setup. 1 x Triangular Ruler Item Type: Triangular RulerMaterial: Aluminum AlloyColor: As shown in the pictureProduct Overall Size: Approx.68x 14.5x95mm/ 2.68x 0.57x 3.74inLarge Hole Diameter: Approx.22mm / 0.87inSmall Hole Diameter: Approx.10mm / 0.39inWeight: Approx.118g/ 4.2ozApplication: Metric and imperial woodworking ruler DIY enthusiast hand tool