Descriptions:This Angle gauge set is made of high quality stainless steel, high hardness, and durable in use. It is a practical Angle gaugeset in drill bits Angle measuring and drill sharpener inspection,and comes with a case, convenient for carrying out.Features:This Angle gauge set is made of high quality stainless steel, high hardness, and durable in use.Diameter drill front edge of the protractor 50 gauge 118 ° summit angle of twist drills grindinggauge suitable for 118 ° summit diameter of not more than 50mm of grinding twist drills.Check the drill summit angle (60 °, 70 °, 90 °, 110 °, 118 °, 125 °, 135 °, 150 °, 160 °).Cutting tool angle is 60 degrees for a tooth-shaped angle 55 degree angle and metric thread, inch thread inspection, blade and special measuring tools for measuring anglesIs a practical Angle gaugeset in drill bits Angle measuring and drill sharpener inspection. Comes with a case, convenient for carrying out. Specifications:Material:stainless steelAccuracy: ± 5 °Suitable For: Angle measurementDrill diameter angle gauge: 90mm/3.24inchDrill bits angle gauge: 80mm/3.15inchGeneral angle gauge: 50mm/1.97inchQuantity: 3Pcs Weight:100gPackage Included:1 x Drill diameter angle Gauge1 x Drill bits angle gauge1 x General angle gauge1 x case.