Monteverde Luna Fountain Pen Desk Set - Black/Red. A highly useful desk set offered from Monteverde Luna. Made of solid brass, the desk set will keep your pen handy. Luna desk set is available in two writing mode, fountain and rollerball pen. The fountain pen set is available in 5 nib sizes (EF, F, M, B, and 1.1 Stub). The fountain pen takes cartridge/converter for refills. The gorgeous pen desk set comes in a luxurious gift box.