A 33 piece set of 1/4" tamperproof bits, supplied with a magnetic bit holder in a rubber bit housing. Bits 25mm in length. Features and Benefits Made from high-quality chrome vanadium steel Finished in a black oxide coating to prevent corrosion Heat treated to improve strength and durability Comes in a handy storage case with belt clipIt is made from high-quality materials that are durable and long-lasting. Built to last. The tamper proof bits are designed to fit a variety of different fasteners, making it a versatile tool. The storage case makes it easy to keep the bits organized and protected. The belt clip makes it easy to take the set with you on the go. Typical Applications Automotive environment