Ron Harness is probably the finest custom glass and fix-it broken glassware guy that I have ever met. He is also brilliant in helping to figure out how to solve "difficult", unique, and challenging glassware to metal transitions in scientific and industrial applications. Pyrex broken or cracked? He makes it back to good as new and always "stress-free" so it won't fail on you like it did the last time it did shortly after you installed it! Thank you Ron for all the excellent service, help and a lot of free advice over the years! (Tina too!). mrc109