Brand Name: Irwin *Sub Brand: Speedbor *Material: Carbon Steel *Shank Type: Hex *Drill Bit Diameter: 1 in. *Dril Bit Length: 6 in. *Product Type: Wood Boring Bit *Number of Pieces: 1 pc. *Shank Length: 6 in. *Shank Diameter: 1/4 in. *ChuckSize: 1 in. *Packaging Type: Pack *Application: For Wood *Discovery ACC, CON, NBR, SUP, EXP