Description Item 001 Rieter R40 open end spinning frames Year 2007 420 rotors 31 mm rotor diameter with KSK4 navel-nozzle B174DN opening roller Uster Quantum 2 clearers 4 robots Item 002 Rieter R40 open end spinning frames Year 2004 320 rotors 31 mm rotor diameter with KSK4 navel-nozzle OB20 opening roller Uster Quantum clearers 2 robots