63 mm, nickel rings with a little corrosion or wear. Fits Buffet R13 and similar.
VINTAGE GUY HUMPHREY ARTIST * * Metal CLARINET - AS IS
Vintage Guy Humphrey "WOOD" Clarinet #16772 Qte Superieure
Guy Humphrey Vintage Clarinet Paris Model Number 7428 
Vintage Guy Renne Paris France Bb Clarinet w/ Case French Antique
Cello String Bundle 44 Total Mixed Brands And Sizes 44 Strings Unused Old Stock
