[Hornlist] Chambers Mouthpieces

A mpc bore of 5mm is very near to #9 drill size, so 5mm is slightly larger than a #10 and slightly smaller than a #8. Jay Kosta Endwell NY --- matthew scheffelman corusa1 at yahoo.com ... Pizka's mouthpiece has a 5mm bore. I think this is just over an #8 for drill size(please correct). ... __

[Hornlist] Chambers Mouthpieces.

Stork makes a copy of the OLDER version of the Chambers series by Giardanelli(spelling). The Older version looks different on the outside and I think a bit shorter in over all length. Pizka's mouthpiece has a 5mm bore. I think this is just over an #8 for drill size(please correct). The rim of t