Спиральные сверла KALIONE

20 Pcs Diamond Tipped Twist Drill Bits Set Heavy Duty High Speed Drill Bits 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