0.8mm = A1.0mm-1.3mm-1.5mm = B1.8mm-2.0mm = C2.5mm = D Air caps are designed to work with various size needles, please match the air cap to the needle size you are using.Apollo Needle / Nozzle / Air cap [Complete Set]£105.00PriceExcluding VATSizeSelectAir Cap VersionSelectQuantityAdd to Cart