5/4 F tuba in brass,
Bell 420 mm, main branch made from tubing, handmade
first branch crafted from sheet metal
nickel silver inner and outer slides,
6-cylinder valves, bore 19.5 to 21.5 mm, valve configuration
5+1 (5th valve thumb right, 6th valve left)
leadpipe in gold brass
trigger for the 2nd valve for the left hand
high-gloss polished
