Castaldo® White Label 3.17mm Natural Mold Rubber Roll Gemstones It features a four-level filter

It features a four-level filter system: dust filter

lightweight

ideal for producing bright and clean coloring of both gold and silver

The mandrel is made from a single plece of tool steel for exceptional strength and durability

gift wrapping or bow (available separately) to customize each box

Castaldo® White Label 3.17mm Natural Mold Rubber Roll Gemstones It features a four-level filterThis Castaldo White Label is a durable, slightly stiffer natural mold rubber; ideal for flat pieces and those that require a stiffer mold. The high concentration of pure rubber makes it pliable and durable, two characteristics that will elevate your mold making process. All Castaldo natural organic mold rubbers require a release agent. Castaldoknown throughout the jewelry industry for performance, dependability and valuemanufactures mold rubber