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 . 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., Manufacturer: Littimoon