1、WEAR RESISTANT MATERIAL: The positioning triangular is made of selected wood, engraved on both sides, and wear resistant to ensure accurate measurement every time 2、ACCURATE AND STABLE: Perfect cutting with a positioning triangular and a seamless solid base design ensure a consistent fit between the ruler and the base, providing accuracy and stability every time you use 3、SAFE AND INSULATED: Engineering plastic square ruler has perfect insulation properties to effectively prevent the conduction of current, thus enabling safe and accurate measurement 4、WITH FITTINGS: Positioning triangular ruler equipped with screws, nuts, sliders, easy for you to install and use, complete accessories guarantee convenient operation 5、EXCELLENT PERFORMANCE: Square ruler is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Item Type: Positioning Triangular Ruler Material: Engineering plastics Size: Approx. 50 x 30cm / 19.7 x 11.8in 1 x Positioning Triangular Ruler 1 x Screw 1 x Nut 1 x Slider