100% Brand New and High Quality Made from high quality fully grounded HSS 4341 steel Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc. Only Large Hss Drill Bit, quality tool for jobs of all sizes Heat treated and highly polished. Drills perfectly round holes in steel, brass, plastic, wood etc. Two flute twisted design provides faster, smoother and cleaner cuts each step is clearly labelled with the depth diameter in steps Specification: Colour: Silver Ranges for 6 - 60mm Has a 12mm Shank Extra Large Drill; 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm