1Accurate Measurement: Aluminum alloy material with high hardness, durable, and accurate measurement. Clear laser engraving size, accurate and easy to read 2Measure and Transmit Angle Size: Works for measuring and transmitting angular dimension, stop or mark ruler for 45 degree and 90 degree angles of parallel lines. Use drill size with drill guide 3Clearly and Easily Reading: Exquisite craftsmanship bring high hardness and durability. Reading clearly and easily, possess elegant appearance 4Slide to Mark: When measuring, there is no need to flip the ruler itself, just slide to mark 45 degrees or 90 degrees 5Improve Work Efficiency: The surface is finely polished, feels comfortable and easy to use. Help you improve work efficiency and save woodworking time Item Type: Woodworking Square Size Measure Ruler Material: Aluminum alloy Purpose: Woodworking tools Color: Red Thickness: Approx. 3mm or 0.1in Scale Technology: Laser scale Scope of Application: Woodworking, angle measurement Drilling Diameter Size: Approx. 3 - 10mm or 0.12 - 0.39in Maximum Horizontal Line Scale: Approx. 0 - 150mm or 0 - 5.91in 1 x Woodworking Square Size Measure Ruler Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.