Irwin 1903514 Bit Set with Magnetic Screw Hold Attachment, 4-Piece, Double-Ended, Steel

Double ended square bit set with Magnetic screw hold attachment. DoubleLok technology ensures both ends of bit lock securely in impact drivers and quick change chucks, enabling use of two tips from one bit for added convenience and extended life. Precision tip geometry delivers great fitment, reducing stripping and cam-out. Power groove designed for compatibility with Irwin® Impact Performance Series™ magnetic screw hold attachment. Manufactured with heavy-duty, cold forged high-grade steel to withstand high-torque output. Includes (3) #2SQ/#2SQ and attachment.