Power Tools
6/13pcs Combination Drill and Tap Bit Set Metric/SAE Drill Bit Set for Drilling/Tapping/Countersinking with Quick Change Adapter(13pcs kit)
Product Name: Drill & Tap Bits Set - 1/4 Inch Hex Shank fits into all power tools more easily and securely, especially for locking into quick change chuck, includes a quick-change adapter for easy size change. - 6 SAE sizes: 6-32NC, 8-32NC, 10-24NC,...
https://www.bizrate.co.uk/powertools/6-13pcs-combination-drill-and-tap-oid39430742179.html