T-T Multifunction Protractors Square Rule CentreFinder Drill Point Gauges Hand Tool Harpen Regrind Drill Bit Angles Tool Sharpening Tool-0

Multifunction Protractors Square Rule CentreFinder Drill Point Gauges Hand Tool harpen Regrind Drill Bit Angles Tool sharpening Tool Features: Angles: 55° 60°. Suitable for 55/60 degree angles bit sample bit check whether the front edges of bit is concentrics with bit