["Features:\nSix Flute Chamfer Debur Countersink 1/4\" Hex. \nGreat for sinking 90 Degree holes into wood and soft metals in preperation of countersunk screws.\nHeat treated carbon steel blades ensure good tool life.\nCut quickly and easily in wood, soft metal, rubber, plastic and other machinable materials.\nPerfectly centered holes every for time properly seated screw heads.\n\nSpecification:\nMaterial: 45# steel\nLength: 36mm/1.42inch\nDiameter: 13mm/0.51inch\nShank diameter: 6.35mm/0.26inch\nColor: Gray\nQuantity: 1 Pc\nNote: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1 x 6 Flute Countersink Drill Bit (without retail package)"]