Faithfull Step drills are used for cutting varying hole sizes in material up to 4 mm thick without changing the drill bit. Each drill cuts parallel holes within a specific size range, rising in 2mm increments.

FAISDSET3

Made from HSS ( High-Speed Steel ).

Set of 3 consisting 1 of each 4-14mm, 6-20mm, 6-30mm.

Supplied in a metal case.