HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. This 20Pcs Nut Drive Set Is Forged From High Hardness Chrome Vanadium Steel. The Surface Is Treated With Anti-Corrosion Sand Blasting. After The Whole High Temperature Quenching Heat Treatment The Product Has High Hardness And Is Durable. 10Pcs Saei¼s5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 7/16 1/2. 10Pcs Metric: 4Mm5 Mm 5.5Mm 6Mm 7Mm 8Mm 9Mm 10Mm 11Mm 12Mm. The Sleeve Uses A Universal 1/4 "Hex Shank For A Variety Of Quick-Change Chucks Various Flashlights And Screwdrivers. Its Widely Used In Electric Drills Screwdrivers Impact Drills Household Diy Auto Parts Woodworking Professional Machinery Maintenance And Other Fields.