Kerr-Ventura Graphite Crucibles For All 30 Troy Ounce Models Ring Mountings and a 25-minute bonus chapter

and a 25-minute bonus chapter on Foredom tool basics

Accommodates a 6mm square center stone (~1-1/4 ct diamond weight)

Dimensions given are at the thickest point of the file

Material Sterling Silver Shape Oval Design Stamped Sunshine Available Options

and rhodium/plating fume removal

Kerr-Ventura Graphite Crucibles For All 30 Troy Ounce Models Ring Mountings and a 25-minute bonus chapterThese virgin graphite crucibles are manufactured exclusively for Otto Frei as a direct replacement for Kerr part numbers 29478 and 35620. Designed for use in all Kerr 30 troy ounce (approximately 1 kilo) Electro Melt models, they deliver long lasting, economical performance that outlasts compressed graphite alternatives. Unlike the compressed graphite crucibles commonly found on the market, these crucibles are made from virgin graphite a denser,