Description:   Drill Bits Angle Gauge 3pcs Set Dirll Sharpener Tools S\/S Inspection Angle Gage   Features:    Diameter drill front edge of the protractor 50 gauge 118   apex angle of twist drills grinding gauge suitable for 118   apex diameter of not more than 50mm of grinding twist drills Check the drill apex 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、 knife and measuring the angle of special measuring tools     Specification:   Color: Silver Material: Stainless steel Size Drill diameter angle Gauge: 90mm Drill bits angle gauge: 80mm Gengeral angle gauge: 48mm Accuracy: ± 5   Suitable For: Angle measurement   Package includes:    1 x Drill diameter angle Gauge 1 x Drill bits angle gauge 1 x Gengeral angle gauge   Details pictures: