Even for the experienced home master no-no and will miss striking a nail. Over time, the accumulated pen markings such blunders spread of the crack decreases the strength. Protect the neck of the handle a few rubber bands (from the pharmaceutical packages or cut from an old Bicycle inner tube). This “necklace” will reliably protect the wood from damage.
Recommend to read
TO MEASURE, NOT MEASURING
If you have a lot of time to measure the volume of the same liquid or granular materials, make the appropriate mark on the measuring circle, glued at the right level strips of adhesive...
“MISTRESS” IN THE TAIL
The strongest naval power in the world, Britain, is not too actively involved in the "submarine race". This is quite understandable: "mistress of the seas" and so possessed in the oceans...