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 lifePrecision tip geometry delivers superior fitment, reducing stripping and cam-outPower Groove designed for compatibility with IRWIN Impact Performance Series Magnetic Screw-Hold AttachmentManufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque outputSpecificationsItem #DescriptionContents19035023-Piece Mixed Phillips Set#1PH/#2PH, #2PH/#3PH, Attachment19035033-Piece Mixed Square Set#1SQ/#2SQ, #2SQ/#3SQ, Attachment19035043-Piece Mixed TORX SetT10/T15, T20/T25, Attachment19035063-Piece Mixed SetT25/#2PH, #2PH/#2SQ, Attachment19035073-Piece Mixed Set#2PH/#2PH, #2PH/8-10SL, Attachment19035093-Piece Mixed Set#2PH/8-10SL (2), Attachment19035103-Piece Phillips Set#2PH/#2PH (2), Attachment19035113-Piece Square Set#2SQ/#2SQ (2), Attachment19035123-Piece TORX SetT25/T25 (2), Attachment19035134-Piece Phillips Set#2PH/#2PH (3), Attachment19035144-Piece Square Set#2SQ/#2SQ (3), Attachment19035154-Piece TORX SetT25/T25 (3), Attachment19035164-Piece Mixed Phillips Set#1PH/#PH, #2PH/#2PH, #3PH/#3PH, Attachment19035174-Piece Mixed Square Set#1SQ/#SQ, #2SQ/#2SQ, #3SQ/#3SQ, Attachment19035184-Piece Mixed TORX SetT15/T15, T20/T20, T25/T25, T30/T30, Attachment19035194-Piece Mixed Slotted Set4-5SL/4-5SL, 6-8SL/6-8SL, 8-10SL/8-10SL, Attachment19035205-Piece Mixed Phillips Set#2PH/#2PH (2), #1PH/#2PH, #2PH/#3PH, Attachment19035215-Piece Mixed Square Set#2SQ/#2SQ (2), #1SQ/#2SQ, #2SQ/#3SQ, Attachment19035225-Piece Mixed TORX SetT15/T20, T20/T25, T25/T30, T25/T25, Attachment19035237-Piece Mixed Set#2PH/#2PH(3), #2SQ/#2SQ(3), Attachment19035257-Piece Mixed Set#2PH/#2PH, #2SQ/#2SQ, #2PH/#2SQ, T20/T25, T25/ T25, 8-10SL/#2PH, Attachment