Product Description SK Professional Tools 11-piece set includes 1/4 in. Drive 12-Point Sockets including – 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm deep sockets. SureGrip drive design drives the side of the fastener, not the corner, to provide increased strength and avoid rounding of rusted or damaged fasteners. These tools feature SK’S SuperKrome Finish for long-lasting durability and maximum corrosion resistance. This SuperKrome finish Steel Socket is proudly made in USA. The SK Hand Tools 11-Piece 1/4-Inch Drive 12-Point Deep Metric Socket Set features SK's high-polish SuperKrome finish for added durability and corrosion resistance, making the tool set an ideal choice for professional-grade use. The sockets come with SK's SureGrip hex design, which drives the side of the fastener, not the corner, to avoid edge breakage that can occur on rusted or damaged fasteners when a traditional straight-cornered hex tool is used. Each socket is also is individually engraved with an easy to read size marker for quick and easy reference. What's in the Box 5mm, 5.5mm 6mm, 7mm, 8mm, 9mm, 10 mm, 11 mm, 12mm, 13mm, and 14mm deep sockets with metal organizer rail. From the Manufacturer 11 piece set is made in the U.S.A., featuring SK's high polish SuperKrome® finish, which protects the tools from the harsh working environments found in today's workplace. Provides long life and maximum corrosion resistance. All sockets feature SK's SureGrip® hex design, which drives the side of the fastener, not the corner, to avoid edge breakage which can occur on rusted or damaged fasteners when a traditional straight cornered hex tool is used. See more