Спиральные сверла Honoson

20 Pieces Diamond Drill Bits Set Twist Diamond Tip Drill Bit Heavy Duty Micro Diamond Drill Bit Set for Glass Tile Jewelry, 0.8 mm 1.0 mm 1.2 mm 1.5 mm 1.8 mm 2.0 mm 2.5 mm 3.0 mm 3.5 mm 4.0 mm