The DEWALT DT5038 drill bits are designed for drilling sheet or thin metals. They have been manufactured with recessed cutting wings for razor sharp, clean precise drilling and a gold Ferrous oxide coating to prevent overheating for longer bit life. Also suitable for use with the DEWALT dry wall cut out tool (DCS551).Features:Suitable for portable or stationary drillingNo-Slip ShankSpecificationTip Diameter: 3mmLength: 61mmWorking Length: 33mmPack Qty: 2