Description:15pcs 3\/4\/5mm HSS 1\/4 Inch Hex Shank Twist Drill Bit<br>Specification:<br> Material: High Speed Steel<br> Head: Hex<br> Head Diameter: 7mm<br> Containing Model: 3.0mm， 4.0mm， 5.0mm Quantity: 1 Set (15pcs)                Size         Quantity         Length               3.0mm         5pcs         78mm               4.0mm         5pcs         92mm               5.0mm         5pcs         102mm      <br>  Features:<br> HSS drill bit set for wood， plastic and aluminum， copper， steel.<br> Ideal for DIY， home and general building\/engineering using.<br> High speed steel， durable.<br>  Package Included:<br>More Details: