Bosch Impact Tough Driver Bits have been designed to deliver 10x life over standard impact bits. Featuring an Xtended Torsion Zone, these impact tough bits are an impact-rated line of screwdriving bits, double-ended bits, nutsetters. These impact bits feature engineered tips for a tighter fit and less CAM out. The set is heat-treated during manufacturing for strength and a longer bit life. The Bosch SBID32 set also includes high-visibility sleeve with laser-etched markings for user convenience so you can quickly grab the correct bit for the task.