.Made from drop forged and heat treated cr-mo steel

.with a corrosion-resistant black phosphate finish, providing the durability for a hard use；

.Deep 6-point sockets with chamfered openings and an  attachment port compatible with traditional ratchets；

.Set includes：24MM,26MM,27MM,29MM,30MM,32MM,33MM,34MM,35MM,36MM,38MM,41MM.