The engraving on the upper barrel and the notched grooves on the twist cap are a result of finely honed and machined steel.  Photo 2 of 7 in Make Your Mark with the AJOTO Pen

Make Your Mark with the AJOTO Pen

2 of 7

The engraving on the upper barrel and the notched grooves on the twist cap are a result of finely honed and machined steel.