Features: Hardened steel blades and forged grips, this comprehensive set is ideal for removing stubborn/seized nuts without damaging the bolt thread. You can use these splitting tools to cut damaged nuts off, then solve the difficult problem of removing. Made from premium steel, it is of high hardness and long durability. Just rotate the nut splitter bolt to work on the target nut. Very easy to use. You may prepare a wrench help you to do this work. Suitable for splitting and removing rusty broken, damaged, corroded, stuck nuts. Comes with a blow moulded storage case for easy transport and store. Ideal for mechanics, steel workers & DIY use. Specification: Condition: 100% Brand New Material: Carbon Steel Color: As Picture Shown Size: No.1: 5/16inch - 1/2inch（9mm - 12mm） No.2: 1/2inch - 5/8inch（12mm - 16mm） No.3: 6/8inch - 7/8inch （16mm - 22mm） No.4: 7/8inch - 1-1/8inch （22mm - 27mm） Package list: 4 * Nut Splitter Note: The color of plastic box will be sent randomly, and make sure you will not mind before ordering. .