This rod extractor is defined as a mandatory device to remove a damaged rod/bolt in the case, if it is necessary to replace a part concerning the mechanics. It is a manual component necessary for all mechanics so that they can exercise their profession safely. You would have an improved grip for unprecedented control, including for faultless handling. So it is a mandatory tool in the toolbox of any professional or DIY enthusiast Extractor dimensions: 1/2. Rod diameter: from 6 to 19mm. Unit weight: 586g. Material: Steel, so the body of the extractor is made of Cr-V and the extractor disc is made of Cr-Mo. Color: Silver Tip: It is advisable that you put the extractor well in its place before you remove the damaged rod. Be careful not to damage the thread during handling Tip: It is possible to replace the extractor disc in case of use This rod extractor is your solution so that you can correctly replace a worn/broken rod, but above all so that you can protect the thread from damage.