Part number:iu1dr3gmy0 Item Weight:1.28 kg Colour:Green Style:Industrial Material:Stainless Steel Item Package Quantity:1 Batteries included?:No Batteries Required?:No Instruction: The calibration measurement should be zero, with the universal angle ruler equal to zero, when the squares are equipped with a ruler, and the bottom edge and the base square foot are in contact with the ruler without gaps, then the line "0" of the main scale is aligned. After adjusting the zero position by changing the mutual position of the base scale, square angle, the ruler can test any angle between 0 and 180. Specification: Condition: 100% brand new Colour: Green (shown as picture). Material: Stainless Steel Measuring range: 0-180 degrees Accuracy: 5 '/ 0.08 degrees. Package weight: 1.36 kg Package includes: 1 x Universal Bevel Set 1 x Case (complete components shown in the picture) About this item Clear CalibrationThis combination square is finished with a bevel extension blade, roller knob and fine adjustment and each scale line is engraved, so it is an engraving scale. Quality Material This circular set is made of high quality stainless steel, rust-proof, durable and sturdy to use with clear and accurate calibration. Full Operation Featuring a practical and functional design, saving many tools to measure and make your workbench clean and tidy. Ideal for measuring inside and outside angles of rooms. Easy to Adjust It is finished with a bevelled extension blade, roller knob and fine adjustment. High Accuracy The measurement range is 0 to 180 degrees and its accuracy is 5 inches/0.08 degrees, easy to read. Clear CalibrationThis combination square is finished with a bevel extension blade, roller knob and fine adjustment and each scale line is engraved, so it is an engraving scale. Quality Material This circular set is made of high quality stainless steel, rust-proof, durable and sturdy to use with clear and accurate calibration. Full Operation Featuring a practical and functional design, saving many tools to measure and make your workbench clean and tidy. Ideal for measuring inside and outside angles of rooms. Easy to Adjust It is finished with a bevelled extension blade, roller knob and fine adjustment. High Accuracy The measurement range is 0 to 180 degrees and its accuracy is 5 inches/0.08 degrees, easy to read.