The "Last Resort Tool"; May Destroy Choke, But Saves The Barrel
Expandable, knurled section grips the internal surface of stubborn choke tubes and allows easier removal of rusted or over-tightened tubes. Rubber O-ring, helps prevent barrel muzzle damage. Adjusts to fit all constrictions.
Big Book Catalog, Issue:66, Page:493
New Product Supplement, Issue:543, Page:000
SPECS: Steel, 3¾" (9.5cm) long.