This 4-piece nut splitter set covers nuts from sizes 9mm up to 27mm. It is ideal for home / workshop / hobbyist and so much more. It is particularly designed to remove damaged or corroded nuts without damaging the bolt thread.Hardened steel blades and forged grips are manufactured elaborately for strength and durability.All splitters can be simply used with sockets / spanners / wrenches etc.The whole nut splitter set comes in a sturdy case for easy storage and transportation.