Descriptions: This Angle gauge set is made of high quality stainless steel, high hardness, and durable in use. It is a practical Angle gauge set 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 grinding gauge 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 angles Is a practical Angle gauge set in drill bits Angle measuring and drill sharpener inspection. Comes with a case, convenient for carrying out. Specifications: Material:stainless steel Accuracy: 5 Suitable For: Angle measurement Drill diameter angle gauge: 90mm/3.24inch Drill bits angle gauge: 80mm/3.15inch General angle gauge: 50mm/1.97inch Quantity: 3Pcs Weight:100g Package Included: 1 x Drill diameter angle Gauge 1 x Drill bits angle gauge 1 x General angle gauge 1 x case