Procraft Silver Oxidizer-16 oz. Quatro even pressure to maximize coating

even pressure to maximize coating life—allow the diamond composite to do the work

Direct-fit replacement — installs into existing gauge port without modification

Introduces the proper tools for diamond setting and explains how to use them

John Frei Custom Workbench catch trays featured a zinc-based metal insert

Procraft Silver Oxidizer-16 oz. Quatro even pressure to maximize coatingProcraft Silver Oxidizer is a non corrosive solution designed to blacken silver or copper when applied at full strength. When diluted with water, the oxidizing action slows, allowing precise control over the resulting color from deep black to all shades of gray. No heating is required; the solution works effectively at room temperature, making it a straightforward addition to any finishing workflow. Features Non corrosive formula safe for use on