Features 1、Multi Function: The set contains 300mm sliding ruler, protractor head, center head, square heads, for all your leveling needs. 2、Reliable Material: Made of selected stainless steel and aluminum alloy, the combination square set is hard to wear and rust, with long life. 3、Laser Print: Adopt laser technology, with clear font, high wear resistance, and ensure high accuracy. 4、Highly Practical: Applicable to various measurements, such as horizontal, depth, angle, 45 degree slope measurement, etc. 5、Wide Application: The combination square ruler set is suitable for DIY handicrafts, decoration construction, drawing design, carpentry, etc. Specification Item Type: Combination Square Ruler Material: Stainless Steel, Aluminum Alloy Ruler Length: Approx. 30cm/11.8in Package List 1 x Combination Square Ruler