Trillion Large Bezel Mandrel-10mm x 10mm to 25mm x 25mm OMO-Made in Italy Prop 65 - Acrylonitrile-Beryllium-Carbon Black-Nickel-Lead-Butadiene One 5 lb box of

One 5 lb box of Castaldo® Super High Strength™ Silicone Jewelry Molding Rubber strips

1 bag of approximately 150 Castaldo Mold Lock Formers

consistent forming

Alignment pins on inner dies fit into outer sleeve grooves for perfect registration

44-piece kit covering multiple stages of woodcarving and surface finishing

Trillion Large Bezel Mandrel-10mm x 10mm to 25mm x 25mm OMO-Made in Italy Prop 65 - Acrylonitrile-Beryllium-Carbon Black-Nickel-Lead-Butadiene One 5 lb box ofThe Trillion Large Bezel Mandrel from OMO is a premium quality forming tool designed for jewelers and metalsmiths who work with trillion cut stones. This Italian made mandrel features a triangular swelling (trillion) profile that accurately reflects the true shape and proportions of trillion stones, making it an essential tool for crafting precisely fitted bezels. The edges are slightly rounded rather than sharp, ensuring clean, professional results