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.