Chrome Powerbuilt sockets exceed ANSI specifications, chrome vanadium steel, fully polished finish
Features one grease ring
Centre hole is punched through for extra depth on the work surface
Offers Z-Drive contacting the flat walls of fasteners for stronger grip
Thin wall design with chamfered openings for easier mating to fasteners
Includes 12mm, 13mm, 14mm, 17mm, 19mm, 21mm, 22mm, 23mm
