No. of drills: 25 Sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5 and 13mm Faithfull Professional high speed steel (HSS) drill bits are manufactured from high quality M2 grade tool steel, to meet the requirements of the DIN 338 standard. Each bit has a fully ground flute and cutting tip, featuring a 135 degree point angle and split point providing easy non-slip starting and precision drilling. All these great features help you to achieve superior performance in most materials. Suitable for use in: Alloy Steels, Carbon Steels, Cast Iron, Hardened Alloy Steels, Stainless Steels. Supplied in heavy gauge metal storage case. Display packed.