Even the outline it is well suited. One can first draft on paper hold for design planning and then later distinguished by CAD.
It saves one the constant nachspitzen of pencils whose thin leads unfortunately very often break.
When allowance I have now mostly doing pins with 2mm, 3.2mm and 5.6mm. Thus, for any surface which.
The clip rotates and is not firmly fixed. An otherwise I find the pen robunst and very helpful.
Much better than the nachsuspitzen permanently carpenter's pencil. This is annoying ....
