Sealey AK3715HSS HSS 15 Piece Drill Bit Set for drilling in Iron, Steel, Brass, Copper and Aluminum alloy The Sealey AK3715HSS is a 15 Piece Drill Bit Set suited to drilling in metals. The drills are all made from hard-wearing titanium nitride-coated High-Speed Steel for long service life. They come in a sturdy storage case with rubberised corners to absorb knocks. The drill bits range in size from 1.5mm to 10mm and give fantastic value for money. Features: Set consists of 15 titanium nitride coated high-speed steel drills Popular range of sizes Supplied in plastic storage box with rubberised, non-slip coating Specification: Contents: Diameter 1.5mm (x2), 2mm (x2), 2.5mm (x2), 3mm, 3.2mm, 3.5mm, 4,mm, 4.5mm, 5mm, 6mm, 8mm, 10mm