Compliment your tool collection with the 31 PC. 1" Bulk Impact Drive Bit Set. Providing 3X longer life span, this set is created to withstand all your project's needs. The precision-milled bit tip has an enhanced fitment for commonly used fasteners. Included in this set is an impact rated magnetic bit holder for convenience on and off the jobsite. The 1" length pairs perfectly with the included magnetic impact rated bit holder. These 1" bits are impact rated ensuring their compatibility with impact drivers and drill drivers. This set includes (30) 1" PH2 impact driving bits and (1) Impact Mag. Bit Holder (sand blast) 2-3/8".