[DETAIL] 20PCS Magnetic Nut Driver Set, Impact Drill Driver Bit Set 1/4", Metric and SAE Nut Driver, with Storage Bag, 5-13mm and 3/16''-1/2'' Nut Drivers Features: Reasonable Set: 20PCS magnetic nut driver set contains 10PCS metric magnetic nut driver (5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm), 10PCS SAE magnetic nut driver (3/16'' 7/32'' 1/4'' 9/32'' 5/16'' 11/32'' 3/8'' 7/16'' 15/32'' 1/2''). One set is enough for all. Premium Quality: All impact nut driver set (both SAE and metric nut drivers) are made of Cr-V steel, longer service-life, higher shock-resistance. And their surface is electrophoresed, strong resistance to oxidation and corrosion. High Magnetic Force: There is a premium magnet inside each nut driver set magnetic, and each nut driver is deep enough to ensure the safe lock and to hold the drill bit firmly when fastening or loosing the nut or the bolt. Easy to Carry and Ideal Gift for Him: All nut drivers can be well organized in a storage bag, easy to store in your toolbox or carry around. It is also an ideal gift for a man, father, him, or grandpa. Good After-sale Service: Please just let us know if you have any problem with the nut driver set. We promise to offer you 100% satisfaction after-sales. Our service team will be always here for you to reply to your message within 24h. Specification: Size: 10 x Metric Magnetic Nut Driver (5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm) 10  SAE magnetic nut driver (3/16'' 7/32'' 1/4'' 9/32'' 5/16'' 11/32'' 3/8'' 7/16'' 15/32'' 1/2''). Material: Chrome Vanadium Steel Drive System: External Hex Packing: Storage Bag Number of pieces: 20 Package included: Metric Nut Drivers * 10PCS (5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm) SAE Nut Drivers * 10PCS (3/16'' 7/32'' 1/4'' 9/32'' 5/16'' 11/32'' 3/8'' 7/16'' 15/32'' 1/2'') with torage Box LIBRATON 20PCS Magnetic Hex Nut Driver Kit The magnetic nut driver set is 20PCs included, one set for all your needs. Metric Nut Drivers * 10PCS (5mm 5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm) SAE Nut Drivers * 10PCS (3/16'' 7/32'' 1/4'' 9/32'' 5/16'' 11/32'' 3/8'' 7/16'' 15/32'' 1/2'') The impact nut driver set is of premium material with, longer service life. The nut driver set magnetic is with a storage box, easy to carry around. [ATTRIBUTES] - Hign-concerned Chemical: None - Material: Chromium-vanadium Steel - Origin: Mainland China - Hign-concerned Chemical: None - Material: Chromium-vanadium Steel - Origin: Mainland China