This heavy duty set of 2 polyhedral D20 die are made of solid aluminum-zinc METAL alloy with a copper metal and black enamel finish that will stand up to years of heavy use.  
 
Each set of 2 D20 comes in a custom tin with the 20 replaced with "YEAH" and the 1 replaced with "FUCK."  The set also features a metal storage case that easily fits in your pocket with a padded lid that doubles as a dice tray.
 
These awesome dice are perfect for RPGs such as Dungeons and Dragons, Shadowrun, Pathfinder, Savage Worlds, Warhammer, Heroscape and many other RPG and card games.