Description:This item is made of high quality stainless steel, anti-rust, durable and sturdy to use. Its measuring range is 0-180 degree and finished with a bevel edged extension blade, roller knob and fine adjustment. With a 5 (minute)/0.08 degree accuracy and laser engraving scales, its great for measuring inner and outer angles of the partsInstruction:Calibration measurement should be zero, universal angle ruler zero, when Square are fitted with a ruler, and the bottom edge and the base Square foot in contact with the ruler without a gap, then the main scale "0" line aligned. After adjusting the zero position by changing the mutual position of the base scale, angle square, straightedge can test any angle within the range of 0-180 °.
Specification:Condition: New BrandColor: Green (Shown as picture)Material: Stainless SteelMeasuring Range: 0-180 degreeAccuracy: 5 / 0.08 degreePackage Weight: 1.358kg
Package Included:1 x Universal Bevel Set1 x Case (Full Components Shown in Picture)