This DeWalt DWA1420 set includes 1 tap and 1 drill bit with a 6mm item diameter and 2.5 inch item length, suitable for drilling and threading. The steel material and 1/4 inch shank width make it a reliable choice for your power tool and air tool accessories. The set is branded by DeWalt and is a model number DWA1420. The unit quantity is one set. This drill bit set is perfect for those looking for a high-quality, durable tool for their home and garden needs