[latest version] With the 12-piece angle tool, you can adjust the drilling position on B. Mark the tiles precisely. It is a built-in hole measuring and positioning tool. This measuring ruler folds up easily and takes up little space and is easily transported to any job site. It is very suitable for measuring the surface of brick, paper, stone, ceramic tile, wood and other materials. [Improvement in material and design] The multi-function measuring ruler is Made of high quality aluminum alloy, very wear resistant. Equipped with metal buttons. They are stronger than plastic buttons and therefore more durable. The edges are rounded and smooth, without burrs, which can prevent injuries. No complicated processing. [Accurate measurement] Our multi-angle measuring ruler is an ideal instrument for measuring angles accurately. There are inches and centimeters on the scale, all laser engraving will not fade or wear off, even if you use the sliding ruler for a long time, keep it clear and easy to read for a precise measurement. [Easy to use] Just place the angle measuring tool on your work area, slide the angle measuring tool into the desired shape and tighten the screws . The multi-angle ruler can be placed in any position and attached in seconds to create your own template. In addition, the included screws are large and can be replaced with one hand, making it very easy to use. [Wide Application] The 12-sided multi-angle ruler is a multi-purpose measuring tool. universal angle that provides brick, wood, tile, floor, roof and metal objects. You can choose a metal square as a gift for builders, tilers, carpenters, handymen, roofers, carpenters, architects, handymen, etc.