[Practical Design] : This heavy duty nut splitter designed for the safe removal of corroded or damaged nuts without damaging bolt threads. You can use these splitting tools to cut damaged nuts off, then solve the difficult problem of removing. [Easy to Use] : 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. The nut splitter is anti rust, wear, the overall hardening. [High Hardness]: It is made from premium steel, it is of high hardness and long durability. Widely Used---It is suitable for splitting and removing rusty broken, damaged, corroded, stuck nuts. [Complete Specifications]: Nut splitter bolt diameter12mm(#1), 14mm(#2), 18mm(#3), 21mm(#4). Suitable Removing Nuts Range: 9~12mm(#1), 12~16mm(#2), 16~22mm(#3), 22~27mm(#4). [Useful]: An essential tool for you to do the removal working.