Description 1-piece solid core design is up to 5 times more durable than the current 2-piece conventional product. Pilot Point tip (3/16" to 1/2") allows users to drill holes faster than the conventional split point product and offers clean burr-free holes with reduced bit walking. 1/4" hex shank.Size: 1/8 In.Material: HSS, TitaniumLength: 2-39/64" In.Shank Diameter: 1/4 In. HexTip Angle: 135 Deg Pilot PointFlute Length: 1-1/8 In. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov