DESCRIPTION Product Code: DEWDT90238QZ Model Number: DT90238-QZ Brand: Dewalt Barcode: 5054905245337 The Dewalt DT90238QZ 6 piece set is extreme impact ready. The bits have a quick change shank which fits standard quick-change extensions and 1/4" hex bit adapters, this helps prevent spinning. They have a tri-flute tapered design for faster removal of wood chips and less binding KEY FEATURES - Suitable for wood drilling applications for holes up to 100mm deep - Three cutting spurs for cleaner, faster holes - Full Screw Tip - allows bit to self-feed for ease of use and pull through