COBALT PILOT BIT 1/4X4" *Brand Name: Diablo *Drill Size: 1/4 in. *Overall Length: 4 in. *Material: Cobalt *Product Type: Pilot Drill Bit *Shank Type: Hex Shank *Number in Package: 1 pk *Packaging Type: Carded *Shank Diameter: 1/4 in. *Discovery CON, SUP