Package includes: 13 x Bolt Nut Extractor 1 x 3/8 inch Socket Nut Adapter 1 x Box Description:< br/>Drillpro 14 Piece Impact Damaged Bolt Nut Remover Extractor Socket Tool Set with Socket Nut Adapter Bolt Nut Screw Removal Wrench Socket Specification: Drive: 3/8’’ Square Material: 40Cr Chrome Vanadium Steel SAE Size: 1/4’, 5/16& #34;, 3/8’, 7/16’, 1/2’, 9/16’, 5/8’, 11/16’ Size Metric: 8?mm, 10?mm, 11?mm, 12?mm, 13?mm, 14?mm, 16?mm, 17?mm, 19?mm 1/4?inch hex), head (3/8?inch) Quantity: 14?pieces Features: 1. Fits most tools - with a 3/8’’ square drive for use with hand ratchets, impact wrenches and air ratchets; Hex flats for use with spanner, pliers, adjustable wrench, sockets. 2. Made of 40Cr chrome vanadium steel, stronger than tool steel, ensuring longer life and greater durability. 3. 1/4’’, 5/16’’ (8mm), 3/8’’, 10mm, 7/16’’ (11mm), 12mm, 1/2", 13mm, 9/16" (14mm), 5/8" (16mm), 17mm 11/16", 3/4" (19mm). Can be used on SAE and metric sizes. 4. Suitable for all kinds of fasteners.