Good quality: excellent stainless steel forging, the ruler is made of high quality stainless steel material, the corner bracket is made of zinc alloy, which will not rust or deform, the thickness is 2mm , sturdy and durable for long time use. High precision manufacturing: adopt laser technology for high precision manufacturing, double-sided ruler in mm and cm graduations. Embossed graduation for easy reading and durability. Multifunctional: This combination square tool is practical and designed for drawing straight lines, drawing parallel lines, laying out, calibrating, measuring router bit depth, adjusting table saw blades. Multi-dimensional measurement: Woodworking squares can realize level measurement, 90° angle measurement, 45 degree angle measurement, can be used as a 45 degree miter gauge, height or depth. With adjustable square head: consists of a 300mm steel ruler and an adjustable square head for precise measurement. Help you make real precise angle and lines with ruler and head. Features: -Compared to traditional rulers which are only for measuring, this multifunctional ruler meets your different needs and is useful in most building or construction situations where a right angle and level are needed. -Both sides of the 12 inch square ruler are available. And the measurements on the ruler are clear and easy to read, well engraved. This definitely locks the blade tightly. With precisely engraved scales that allow you to be completely accurate and precise. -The combination square tool has small metal ridges against which the ruler can be placed (very carefully) on either side of the screw to adjust the angle. - This flexible combination angle ruler is with bubble level design. Store many tailor-made tools, make your workbench clean and tidy, very convenient to use. Specifications: Material: stainless steel + zinc alloy Color: green Package size: L*W*H: 32.8*14.5*2.3cm(12.91*5.71*0.91in ) Package Weight: 0.2kg Package Includes: 1 x Combination Square Ruler War