HIGH HARDNESS: Made of hardened stainless steel, it is of heat treated, high hardness. APPLICATION: Designed for precise layout and measurement work, and suitable for detecting angles and part marks. RIGHT ANGLE MEASUREMENT: The flat angle of the base is 90 degrees inside and outside. It is used for right angle measurement. It can measure the vertical deviation of the inner and outer corners of the workpiece. PROFESSIONAL TOOL: It is an industrial-grade, professional-grade tool for assembly and platform work. AFTER SALE GUARANTEE: We care for every customer's feeling. If this product does not meet or exceed your expectations, please contact us at first, we will solve the problem immediately., Weight: 0.4850169764 pounds, Manufacturer: Hilitand