The SW-Stahl socket set includes bit inserts made of high-quality chrome vanadium steel, which are securely pressed into the insert. This allows for precise work. This 3/8" socket set is a popular professional tool for many repairs. Our SW-Stahl socket sets can be used for various repair tasks at home and in the garden, as well as on motorcycles or cars. Whether for an experienced DIYer or a professional, this socket box has many fans. The professional socket set consists of 34 pieces. The package includes: screwdriver bits: T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, and T60; socket inserts: E4, E5, E6, E7, E8, E10, E11, E12, E14, E16, E18, and E20; bits: T10, T15, T20, T25, T27, T30, T40, T45, T50, and T55 x 8 mm, along with a bit adapter. The SW-Stahl ratchet box comes in a sturdy blue plastic case. This 34-piece socket set is a versatile tool that should not be missing in any household. Technical specifications: Drive: 10 mm (3/8"); Product quality: Premium; Packaging: Plastic case; Material: Chrome vanadium.