La Marzocco Ruby Gigleur
0.6 mm ruby orifice. 20 x 4 mm. La Marzocco part number F.2.003
This is the 'older', long version, NOT for use with the Linea PB.
A shorter version is also now being produced for all Linea PB, GB5 & FB80 models from machine s/n 5679 (AV) and s/n 5680 (EE).