1Set/3Pcs Drill Bits Gauge Dirll Sharpener Tools S/S Inspection Gage and Stainless steel Color: Silver Features Diameter drill front of the protractor 50 gauge 118 ° of twist drills grinding gauge suitable for 118 ° diameter of not more than 50mm of grinding twist drills Check the drill (60 °, 70 °, 90 °, 110 °, 118 °, 125 °, 135 °, 150 °, 160 °) Cutting tool is 60 degrees for a tooth-shaped 55 degree and metric thread inch thread inspection, and measuring the of special measuring tools Specifications Size Drill diameter Gauge:90mm Drill bits gauge:80mm Gengeral gauge:48mm Accuracy: ± 5 ° Suitable For: measurement No retail packag Quantity: 3Pcs (1Set) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!! Package includes: 1Pc x Drill diameter Gauge 1Pc x Drill bits gauge 1Pc x Gengeral gauge