Combination Tri-Square Set stainless Steel Right Angle Ruler Combination 300mm/12in          Material: stainless steel  Color: silver+black  Size: 300mm/12in          Packing list: 1* combination square          Features:  << Application: Ideal for engineers and carpenters and more. Suitable for wood, stone and metal processing measurement,  << Material: The protractor square ruler is made of stainless steel, which is rustproof and durable.  << Adjustable: With adjustable square head for accurate measurement. 0~300mm measuring range and adjustable angle.  << High-precision:High-precision manufacturing, double-sided ruler, mm and cm scale, easy to read, suitable for measurement, marking, layout and more.          << Notes:  1. Please allowed 1-3mm differences due to manual measurement, thank you  2. Due to the difference between different monitors, please understand that the picture may not reflect the actual color of the item