IRWIN Power Bit: S2 Fastening Tool Tip Size, 2 in Overall Bit Lg, 1/4 in Hex Shank Size

Product Description

Robertson square drive heads feature a slightly tapered square shape, which helps hold on to the screw for 1-handed driving. They also help to deliver torque while reducing camout. Use for driving screws and fasteners with hand tools, corded or cordless power tools, and pneumatic tools. Power bits are placed directly into power tool chuck.