1WEAR RESISTANT MATERIAL: The positioning triangular is made of A grade engineering plastics material, laser engraved on both sides, and wear resistant 2ROBUST AND RELIABLE: Speed rafters square feet have a robust construction to ensure service life and reliability in a variety of operating conditions 3SAFE AND INSULATED: Engineering plastic square ruler has perfect insulation properties to effectively prevent the conduction of current, thus enabling safe and accurate measurement 4ACCURATE AND STABLE: The triangular ruler has a highly accurate measuring scale to ensure the accuracy of woodworking operations. Trust to deliver accurate results every time 5WITH FITTINGS: Positioning triangular ruler equipped with screw, nut, slider, easy for you to install and use, complete accessories guarantee convenient operation 1 xPositioningTriangular Ruler 1 x Screw 1 x Nut 1 x Slider