Features： 1、High-Performance: Designed for use with impact drivers, this nut driver set provides strong torque and durability during heavy-duty applications. 2、Strong Magnetism: Embedded with a powerful magnetic ring, this set offers strong absorption, making work more convenient. 3、Easy Identification: Every nut driver in the set is distinctly marked with its size for quick recognition, enhancing work efficiency. 4、12-Piece Set: The magnetic nut driver set includes 6pcs SAE sizes: 1/4\", 5/16\", 3/8\", 7/16\", 1/2\", 9/16\"; and 6pcs Metric sizes: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm. 5、Protective Storage: The set comes with a plastic storage box that protects the tools from damage and facilitates convenient storage and transportation. Specification： Features: High-Performance: Designed for use with impact drivers, this nut driver set provides strong torque and durability during heavy-duty applications. Strong Magnetism: Embedded with a powerful magnetic ring, this set offers strong absorption, making work more convenient. Easy Identification: Every nut driver in the set is distinctly marked with its size for quick recognition, enhancing work efficiency. 12-Piece Set: The magnetic nut driver set includes 6pcs SAE sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16"; and 6pcs Metric sizes: 8mm, 10mm, 11mm, 12mm, 13mm, 14mm. Protective Storage: The set comes with a plastic storage box that protects the tools from damage and facilitates convenient storage and transportation. Specifications: Item Name: Magnetic Nut Driver Main Material: Chrome-Vanadium Steel Color: Red Package Information:? Package Size: 190*130*42mm/7.48*5.12*1.65inch Package Weight: 660g/1.46lb Package List: 1 * Magnetic Nut Driver Set (12 Pieces) 1 * Storage Case Package List： 1 * Magnetic Nut Driver Set (12 Pieces) 1 * Storage Case