Overhaul of Used Clarinets We also offer expert rebuilding and overhaul of used clarinets, utilizing all of the above techniques, in addition to the necessary cleanup, swedging, and replacement of springs, screws, and tenon corks. Crack repair, including pinning and tonehole replacement, is also available only on clarinets which we have completely serviced or overhauled. Our work is restricted to top line, professional model clarinets. We do not service or repair student model instruments. We work on the following brands only: Buffet Crampon, Selmer, Leblanc and Yamaha. Important Information When contacting us please have the following information ready: Brand (Buffet, Selmer, Leblanc, Yamaha) Bb, A, Eb, Basset horn, Bass clarinet? Serial # (Found on the back of top or bottom joint above the cork) History of cracks (Repaired or not?) Did you purchase it new or used?