Product description: Brand: RoserRose Color: As shown. Material: Chrome-vanadium steel. Made of chrome-vanadium steel, they are sturdy, practical and durable for long term use. They are corrosion resistant and not easy to rust with good abrasion resistance. Suitable for pneumatic screwdriver, electric screwdriver, drill pneumatic, electric drill, manual screwdriver and more. Easy to install and disassemble, not easy to fall off when using. The package includes hex sockets of different specifications: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. Ideal for woodworking, home DIY, professional use of machine repair, auto parts and more. Contents: 9 hex sockets Made of chrome vanadium steel with long life. The set includes: 9 Power Nut Driver bits (metric): 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. The product installs and disassembles easily and does not come off easily when of use. Rust-proof, non-slip, high occlusion, waterproof and flexible. It is widely used in DIY supplies, auto parts, woodworking, professional machinery, hex tools such as pneumatic lathes , electric spinner, pneumatic drill, electric drill, gun drill, manual screwdriver.