High quality materialThe 300mm combination square, made of high quality stainless steel, aluminum alloy bracket, not easy to deform, durable, long service life, printing clear and easy to read. Precise measurementMeasurement range is 0~300mm, level gauge equipment makes measurement accuracy higher, clear and accurate calibration will not fade easily. Multi-dimensional measurementCombination square can realize level measurement, 90 angle measurement, 45 angle measurement, fully meet measurement needs. Adjustability Adjustment of the combined square is simple, quick and without deviation.Its sliding part is equipped with an effective fixing system, to measure and trace without error. Wide range of 'applicationsIt is lightweight yet rigid and practical, easy to carry. The tool can be used as a square, depth gauge, plotter and leveler. water for carpenters, engineers, craftsmen, roofers, DIY enthusiasts. Features: Precision: The spirit level of the square gives the user the possibility of working with increased precision,High precision anti-reflective graduation, to the millimeter good helper: Combination square 300 mm - The infallible right arm for your tailor-made missions Combined stainless steel ruler body, after special treatment, the laser ruler deepens more obviously, no glare, no rust. The right angle ruler can achieve three angles of measurement methods of 90, 180 and 45. Scope: widely used in various life measurement, manual DIY, school training, professional carpenters, decoration industry, etc. Specifications: Base material: aluminum alloy. Ruler material: stainless steel. Surface technology: laser technology angle. Product parameters: ruler, lock nut, aluminum alloy frame, spirit level, marking pin. Color: silver and black. Measurement range: 0 ~300mm. Delivery list: 1 * stainless steel combination ruler. Note: 1.Be sure to tighten the bolts, fixed blade before use. 2.Due to manual measurement, please allow 0.5~1cm error.