Model #5873 Bellflex / Model #5874 Copper
Maestro line
Technical Specifications:
Bore: ML (11,658mm/0.459")
Bell: #18 (110mm/4.33")
Bell material: Bellflex or Copper
Leadpipe: #8
Valves material: Monel
Valves section: Yellow brass
Trim kit: Titanium
Trigger on 1st slide
4th valve slide E
Finish: Silver plated 1000 thousandth