The Heavy Dart is a medium fat cap designed for both female and male cans with low-high pressure.
This cap fits all popular female cans and comes with a detachable spigot ( Stem ) that allows it to fit onto cans which have a 4mm wide spigot. 
This cap produces a perfectly round dot with fast output and ability to flare making it extremely versatile.
The extended profile allows you to get into tighter spots with more accuracy