Castaldo Quick-Sil RTV Mold Rubber-100 Gram Kit Engraving Systems & Handpieces These blades are replacement blades

These blades are replacement blades for Bergeon set screw type screwdrivers

Includes spring for complete

and highly skilled craftspeople result in sterling silver chain with exceptionally strong links that drapes beautifully and wears comfortably

Color Opaque Blue Size 2 oz Finish Type Opaque Notes

First 3 mm of tips rated for cutting wire up to 1

Castaldo Quick-Sil RTV Mold Rubber-100 Gram Kit Engraving Systems & Handpieces These blades are replacement bladesCastaldo Quick Sil is a two part room temperature vulcanizing (RTV) silicone molding putty that produces tough, strong, and long lasting production jewelry molds for lost wax casting with 0% shrinkage. Safe, non hazardous, and odor free, Quick Sil requires no special equipment just mix equal parts by hand and cure at room temperature in minutes. Perfect for rapid mold making without a vacuum or vulcanizer. Features Easy to use mix by hand, no vacuum