Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Stop Rust Before It Starts

Each “Blox” protects up to 300 cubic inches of air-tight space with time-released, corrosion-inhibiting vapors for at least one year. Spread several through tool chest, tackle box, gun cabinet.

Big Book Catalog, Issue:66, Page:334
SPECS: ¾" (19.0mm) squares. Packed in 12, 50 or 100.