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, deform, the thickness is 2mm, sturdy and durable for long time use. High-precision workmanship: Adopt laser technology for high-precision workmanship, double-sided ruler in mm and inch graduations. cm. 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 the bit depth of the router, set the table saw blades. Multi-dimensional measurement: carpentry squares can achieve level measurement, 90 angle measurement, 45 degree angle measurement , can be used as a 45 degree, height or depth miter gauge. With Adjustable Square Head: Consists of 300mm steel ruler and adjustable square head for accurate measurement. Help you make true precise angle and lines with ruler and head. Features: -Compared with traditional rulers which are only for measuring, this multi-functional ruler meets your different needs and is useful in most building or construction situations where a right angle and level are needed. p> - 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 certainly locks the blade firmly. With precision 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 laid (very carefully) on either side of the screw to adjust the angle. -This flexible combination angle ruler is with spirit level design. Store many custom 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: 0.2 kg Package includes: 1 x combination square ruler Warm Tips: 1) Due to the light and screen difference, the item's color may be slightly different from the pictures. 2) Please allow 1-2cm differences due to manual measurement.