The ProUser BB-WR400 39 Piece Compact Socket Set is a comprehensive automotive and DIY tool kit designed for tightening and loosening a wide range of compatible nuts and fasteners. Manufactured from durable carbon steel, the set includes a useful combination of metric, AF and bi-square sockets, together with both 1/4" and 3/8" drive components for increased versatility. A soft-grip 3/8" ratchet handle provides comfortable control during use, while the included extension bar, spin disc and drive adaptor make it easier to work with fasteners in different positions and restricted spaces. Despite its comprehensive 39-piece selection, the kit has a compact design and is supplied in a handy storage case, making it ideal for keeping in the car, garage, workshop or home toolbox. Brand: ProUserModel: BB-WR400Product Type: Compact Socket SetTotal Pieces: 39Material: Carbon SteelDrive Sizes: 1/4" & 3/8"Metric Sockets: 4–13mm & 14, 15, 16, 17mmAF Sockets: 5/32"–17/32", 9/16" & 5/8"Bi-Square: 1/4", 5/16" & 3/8"Adaptor: 1/4" to 3/8"Extension Bar: 3/8" DriveRatchet: 3/8" Drive Soft-Grip Ratchet HandleSpin Disc: IncludedStorage Case: IncludedSuitable For: Automotive, Workshop, Maintenance & General DIYBarcode: 5017403135678Approximate Weight: 1048g