Carol Brass AG Professional Trumpet. The Andrea Giuffredi signature Model delivers a warm sound that is focused and colorful with both core and brilliance. It is highly versatile for all types of musical environments and stylings.-ML bore, -New fast taper sterling silver leadpipe, new light weight mouthpiece receiver-Light weight, rounded main slide-New nickel-copper alloy valve casings,-Hand lapped stainless steel valves,-Lightweight, large gauge yellow brass bell,-Lightweight finger buttons/ caps-Laquered or silver