uxcell 7mm x 300mm Straight Shank Twist Drilling Bit for Electric Drill Product Name : Twist Drill Bit;Features : Straight Shank;Material : HSS Cutting Diameter : 7mm / 0.27";Shank Diameter : 7mm / 0.27" Main Color : Sliver Tone;Flute Length : 180mm / 7.1" Total Length : Total Length;297mm / 11.7" : 297mm / 11.7" Weight : 24g;Package Content : 1 x Twist Drill Bits