Descriptions:Fits for drills, flex shafts, bench drill and hanging mill.Suitable for drilling holes on glass, shells, rocks, marble, stones, etc.Note: Add the coolant can increase work efficiency and extend service life.Specifications:Color: Silver ToneMaterial: Diamond, High Speed SteelDrill Bit Diameter: 1.2mm / 0.05-inchDrill Bit Length: 13mm / 0.51-inchShank Diameter: 1mm / 0.039-inchTotal Length: 34mm / 1.3-inchPackage Content:2 x Diamond Twist Drill Bits.
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