Features: - 19 Piece Cobalt Drill Bit Set - Alpen Hss-Eco Cobalt Km19 Jobber Drill Set In Metal Cassette 19 Pcs. Ø 1.0-10.0 Mm. Range Of Application: - 5% Cobalt-Alloyed Jobber Drills With High Heat-Resistance For Drilling Steels With Tensile Strength Over 800 N/Mm2, Especially Suitable For High Alloyed Steels, - Bearing-Steels, Hot/Cold-Rolled Steel. Ideal For Stainless Steel. For Drilling Into: - Structural Steels ≪ 400 N/Mm² - Free Cutting Steels ≪ 850 N/Mm² - Unalloyed Heat Treatable Steels ≪ 1.100 N/Mm² - Alloyed Heat Treatable Steels ≪ 1.300 N/Mm² - Copper, Brass, Aluminium - Stainless Steels - Grey Cast Iron, Malleable Cast Iron - Plastics - Art-No. 00 001002191 00 What's in the box 1 X Cobalt Drill Bit Set 19 Piece 1-10 X 0.5Mm In Metal Case