Made of SteelOverall length 6"1/4" shank size
Standard Length Spade Bits Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits Double cutting spurs scribe the outside of the hole reducing breakout 10% larger shank for added durability Grooved hex shank prevents slipping in drill chuck or bit extension Fits all standard quick change chucks
Brand: Irwin Tools, Model: HAN88808, Size: 1/2"