KREG Standard Driver Bit Set 152mm & 76mmStandard Driver Bit Set Kreg square drive bits have deep tips that greatly reduce cam out when driving screws. These drivers feature a solid, one piece construction, magnetic tip, and Kreg Quick Change Chuck compatibility for fast and easy bit changes. The set includes two Standard Driver Bits with the 152 mm version offers the most flexibility and ease of use for your projects and the 76 mm version is handy when you are working in tight spots where