Draper 18551 Metric Combined HSS and Masonry Drill Bit Set (17 Piece) 12 titanium nitride coated high speed steel straight shank drills and five tungsten steel masonry drills in handy set. Display packed in soft grip plastic case. Contents: 12 x Titanium nitride coated HSS drills: 1.5, 2.0, 2.5, 3.0, 3.2, 3.5, 4.0, 4.5, 4.8, 5.0, 5.5, 6.0mm 5 x Masonry drills: 3.0, 5.0, 6.0, 8.0, 10mm
