Description With a carbide split-point tip and aggressive flute angles, DeWALT? multiple-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage.The product is 1/8x4-1/2" Drill BitEasy to useThe product is manufactured in ChinaCarbide Split Point Tip for Maximum SharpnessAggressive Flute Angles for Faster Drilling SpeedNo Spin Shank Eliminates Bit SlippageCarbide MaterialStraight Shank