Easy to Use Just twist the nut splitter bolt to work on the target nut. Very easy to use. You can prepare a wrench to help you do this job. Convenient DesignJust twist the nut splitter bolt to work on the target nut. Very easy to use. You can prepare a key to help you do this job. You can use these splitting tools to cut off damaged nuts and then solve the difficult problem of removing them. High HardnessIt is made from premium steel, it is of high hardness and durable 'long durability. Quality GuaranteeOne year warranty, 30 days money back, 7x24 hours email support. Widely usedIt is suitable for splitting and removing rusty, broken, damaged nuts , corroded or glued. Warning: Not suitable for children under 14 years of age. Use under adult supervision Caution:Use under adult supervision