Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8

1 ) Professional high speed steel with the colored coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat,

1 ) Professional high speed steel with the colored coating ensures durability and sharpness, reduces the friction, runs cooler, performs well in heat,

Lichamp Step Drill Bit Set for Metal Sheet Heavy Duty, 5-Piece HSS Step Up Down Drill Bits Stepper Unibit for Steel Hole, 50 Sizes from 1/8 to 1-3/8

Lichamp Unibit Step Drill Bit for Metal, Genuine HSS M2 Impact Wrench Stepper Bit for Hard Metal Heavy Duty, 19 Sizes from 3/16 to 1-3/8, Dual Straight Grooved with 1/2 Square Drive, A5BK : Industrial & Scientific

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