YFG-821 Custom Bassoon, Heckel System

YFG-821
Level Custom; "Pre-war" model
Key of C
Key System Heckel
System Gentleman compact (YFG-821C)
Wall Thickness Thinner; larger bore
Roller Keys F & Ab ; Ab & F# ; low Eb & low C#
Features C plate; High C key; High D key; 2 bocals; Hand crutch; Neck strap
Body Material Long seasoned maple
Key Material Nickel silver
Plating Silver
Tone Holes Undercut; Silver tubes available
Thumb Rest Fixed
Trill Keys F-G (high E key); E-F#
Spring Type Blue steel
Options Bb key guard; Joint hinge; Balancer; RH pp slide system; A pp arm connecter
Roller Options C# ; pp lock; F# lever; Bb key; E
Trill Key Options LH Eb ; RH Eb ; C; D