The Teng Tools 9 piece 1/2in drive regular length metric hex bit socket clip rail set has the most commonly used sizes from 5 to 17mm. It is made up of chrome vanadium with satin finish with S2 steel bits pressed in to the socket. Designed for use with fastenings with a hexagon hole
Use with in-hex screws or grub screws
Designed and manufactured to DIN7422