Professional 13-piece set + 13 twist drills

Professional 10-piece set + 13 twist drills

Professional iron box 13-piece set + 13 twist drills

3 pieces of 1mm, 2mm, and 2.5mm

CONTAINS 1.0MM COBALT 10 STICKS

CONTAINS 3.0MM COBALT 5 STICKS

CONTAINS 4.5MM COBALT 5 STICKS

CONTAINS 5MM COBALT 5 STICKS

CONTAINS 6.2MM COBALT 2 STICKS

CONTAINS 6.5MM COBALT

COBALT CONTAINING 8.0MM

CONTAINS COBALT 10MM

CONTAINS 10.5MM COBALT

10 double-ended 3.0mm

10 double-ended 3.2mm

10 double-ended 4.5mm

10 double-head 5.0mm

Professional plastic box 13-piece set

Industrial 10-piece set + 13 twist drills

Industrial 13-piece set + 13 twist drills

Superhard cobalt flagship iron box 19-piece set + 13 twist drills

1 each of 1mm, 2mm, 3mm, 4mm, and 5mm

CONTAINS 2.5MM COBALT 10 STICKS

CONTAINS 2.6MM COBALT 10 STICKS

CONTAINING COBALT 3.5MM 5 STICKS

CONTAINS 3.2MM COBALT 5 STICKS

CONTAINS 4.2MM COBALT 5 STICKS

CONTAINS 4.3MM COBALT 5 STICKS

CONTAINS 5.5MM COBALT 5 STICKS

CONTAINS 7.2MM COBALT

CONTAINS COBALT 8.8MM

CONTAINS 9.0MM COBALT

CONTAINS 9.8MM COBALT

CONTAINS COBALT 10.8MM

CONTAINS COBALT 11.5MM

HIGH COBALT 12MM

CONTAINS COBALT 13.0MM

10 double-ended 4.2mm tubes are recommended

10 double-ended 6.0mm

50 double-ended 3.2mm