16 Writing instruments, namely, fountain pens, ballpoint pens, pencils, rollerball pens; cases for writing instruments, namely, pen and pencil cases; inks for pens and pen ink refills; replacement parts for writing instruments, namely, nibs, caps, and clips; inkwells and ink stands being holders for ink; pencils; pen and pencil refills, namely, pen ink refills, pencil lead refills; writing instrument holders, namely, pen holders, pencil holders