Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you! 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. 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. You can use these splitting tools to cut damaged nuts off, then solve the difficult problem of removing. It is made from premium steel, it is of high hardness and long durability. It is suitable for splitting and removing rusty broken, damaged, corroded, stuck nuts.