DescriptionIf you are looking for a professional and affordable power nut driver drill bit set, then your research is over here. Thats because our product can meet your need. Adopted of premium material, they are practical and durable for long time use. Compact and lightweight, easy to operate but not easy to fall off when in use. Great for woodworking, household DIY, professional machine repair use, auto parts and more.Features- Brand: OUNONA. - Color: As shown. - Material: Chrome-vanadium steel. - Package Size: 3.5 x 1.5 x 3cm/ 1.38 X 0.59 X 1.18in ch. - Made from chrome-vanadium steel, they are sturdy, practical and durable for long time use. - They are corrosion resistant and not easy to rust with good abrasion resistance. - Suitable for pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, manual screwdriver and more. - Easy to be installed and dismantled, not easy to fall off when it's using. The package includes hex drive socket of different specifications : 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm. - Great for woodworking, household DIY, professional machine repair use, auto parts and more.