DescriptionDrill through metal easily with help from this high-speeds alloy drill bit set. The drill bits make a great choice when working with stainless steel, aluminum alloy, titanium alloy, and other high hardness materials. for professionals and DIYers alike, the drill bit set comes in handy for a variety of projects, whether at home or on the jobs.Features- Color: Orange. - Material: Alloy. - Size: 11.80 x 0.70 x 0.70cm/ 4.64 x 0.28 x 0.28 inch. - Each drill bit in the set features high-speeds alloy construction with a surface coating for high hardness, long-lasting strength cutting power. - Even more, thanks to its precision grinding inclined cutter design, each bit ensures fast drilling with excellent chip removal. - Made from alloy steel, durable, practical and long service life. - Swivel head flips and locks from drilling to driving, works with your own power drill, drill to driving in half of the time. - Perfect for home DIY and general building engineering use. Easy for store and carry.