Features Stainless steel: The Ruler combination kit is made of high-quality stainless steel. The material is precise, will not be deformed, and has abrasion resistance and rust resistance. High-precision manufacturing technology: Woodworking square set is composed of 300mm stainless steel ruler and adjustable square head, and adopts high-precision manufacturing technology. The double-sided ruler with millimeter and centimeter scale is easy to read. Fluorescent horizontal bubble: Adjustable sliding combination ruler is equipped with fluorescent horizontal bubble. The fluorescent shock-resistant horizontal bubble can accurately measure the level, which is more suitable for luminous operators. Hidden scribing needle: The ruler measurement kit has a hidden scribing needle. The concealed design of the scribing needle is safer, prevents accidental injury, and is detachable. The square set ruler is equipped with an automatic adjusting nut, and the measurement can be adjusted at will Multi-angle measurement: Combination square ruler can perform multi-angle measurement, such as inner right angle, straight line, outer right angle, horizontal and vertical, center measurement, 45° measurement, depth measurement Package List