These titanium coated bits are designed to last. Specially formulated to withstand higher temperatures than your standard bit set. They are great for easy quick change out of sizes with their 1/4" Hex shaft. This design also provides more stability while completing small light weight projects weather around your home,office or any small project. A great multi-purpose additon to your existing tool set. Quick convient and light weight design with the most commonly used bit sizes. Comes complete with a small hard plastic holder to help keep those bits organized for efficiency.