Castaldo Silicon Jewelry Molding Rubber- Super High Strength-Strips-5 Lb Box WR Cobb Because of their fast cutting

Because of their fast cutting action

Also suitable for rock tumbling with silicon carbide and cerium oxide

65 pcs 18K White

Ultra-Vest MAXX with BANDUST delivers maximum thermal stability

445 Double Sided Profiform 320

Castaldo Silicon Jewelry Molding Rubber- Super High Strength-Strips-5 Lb Box WR Cobb Because of their fast cuttingCastaldo Super High Strength Silicone Jewelry Molding Rubber delivers exceptional performance for professional jewelers who demand precision, durability, and efficiency in their casting workflow. This silicone mold rubber is engineered to be stronger than any other silicone molding rubber on the marketproducing complex molds that resist tearing and last through extensive use. Sold in a convenient 5 lb box of pre cut strips, it is ready to use straight