Heavy, steel, spanner wrench makes it easy to tighten handguard barrel nuts to the correct torque. Notched end engages the indexing ring on Yankee Hill handguards and others with similar, slotted indexing rings for aligning the accessory rails.
AR-15, Issue:09, Page:044
Big Book Catalog, Issue:66, Page:044
Law Enforcement / Police Store, Issue:08, Page:012
SPECS: Steel, black oxide finish. 8" (20.3cm) long, 2" (5.1cm) wide, ¼" (6.4mm) thick.