Application - The steel ruler is suitable for carpenters, engineers, and architects, convenient for drawing, length and width measurement, scribe marking, crafting measurement and more. Material - ruler is made of stainless steel, wear resistance and resistance, and high hardness. The adjustable positioning block is made of copper material with a smooth and is not easy to rust. Feature - The locating block and the stainless steel ruler are used together to make positioning and marking more convenient, just move the scale to the desired scale and lock the screw. Package Content - 1 x Metal Ruler, 1 x Scriber Block. Double-scale metal ruler with smooth without burrs, clear numbers, and accurate scale, easy to read, suitable for both amateurs and professionals., Weight: 0.13337966851 pounds, Manufacturer: Jaywool