Pilot Custom 823 Fountain Pen - Smoke Collection_Maki-e It's made of a combination

It's made of a combination of Makrolon (black polycarbonate) and brushed stainless steel

interrupted by a row of stainless steel rivets

The Nettuno is made entirely in-house

stainless steel AISI 316L

Pilot Custom 823 Fountain Pen - Smoke Collection_Maki-e It's made of a combinationThe Custom 823 combines unique styling with a fun to use, high capacity vacuum filling system and a smooth, 14k gold nib. The black body color and gold trim give the pen a classic, sophisticated look, while the translucent demonstrator design gives it a modern twist and lets you admire the ink inside the pen. The Custom 823 is a large pen, measuring nearly six inches long when capped, but it is remarkably well balanced, and the cap posts deeply and