Check the listing for details. Ball End Hex Head Drill Bit H3 Head 4" L 1/4" Shank Steel Screwdriver Bits 3Pcs. Condition: New. Listed at 12.81 USD. Attributes:* Shank Size: (Hex) 1/4-Inch* Total Length: 100mm / 3.94 Inch* Bit Type: H3* Material: S2 Alloy Steel* HRC (+/-1): 58 DegreeWhat Is Included:* 3 x Ball End Hex Head Wrench Drill BitApplications & Features:--- The ball end hex head wrench drill bit is made of S2 alloy steel, with a hardness of 58HRC, hardened heat treatment, wear resistance, impact resistance, clean surface treatment, no burrs, and durability.--- The ball end hex bit can be used to tighten screws on the vertical or inclined side, which is convenient to use in a variety of working scenes, especially in tight spaces.--- Ball point hex bits are widely used for manual electric pneumatic screwdrivers, screwdrivers, drills, pneumatic, impact drills, or any other electric drill with a 1/4" hex shank.