# LCW [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [User Guide](Help%20System/GSTARCAD/2022/User%20Guide/(User%20Guide).md) → [Express tool](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/(Express%20tool).md) → [GstarCAD Tools](Help%20System/GSTARCAD/2022/User%20Guide/Express%20tool/GstarCAD%20Tools/(GstarCAD%20Tools).md) Modify the line width you specified, if what you specified is a line and our software will convert the line to Pline automatically and change the line width. This function is similar to the pedit function, we can use it as a shortcut version and it is very convenient for modifying the line width. ## Operation steps: 1. Start the command. 2. Select the line. 3. Enter a new line width value and here we input "2" for example. 4. Enter to finish and the effect will be as below.