Brand Name: Irwin *Sub Brand: Speedbor *Material: Carbon Steel *Shank Type: Hex *Drill Bit Diameter: 7/8 in. *Product Type: Wood Boring Bit *Chuck Size: 7/8 in. *Application: For Wood *Shank Length: 16 in. *Shank Diameter: 1/4 in. *Packaging Type: Pack *Discovery ACC, NBR, SUP