We don't believe in plastic internals or decorative plating. Every Modern Fuel mechanical pencil and bolt action pen is CNC-machined from a solid bar of premium metalβGrade 5 Titanium, Tellurium Copper, C630 Bronze, or 303 Stainless Steel. By eliminating fragile moving parts and utilizing aerospace-grade alloys, we ensure your writing instrument is virtually indestructible and perfectly balanced.