Tired of running on flats? Stay sharp with a set of Everlaster Blade-Z!One-piece, CNC laser-cut host blade and threaded mounts.1/4” wide host and a 5/8’’ high blade provide excellent penetration. Rectangular carbide inserted into a rectangular tempered host blade creates a self-sustaining effect that makes the Everlaster BLADE-Z last much longer than conventional carbide runners.6” of long-lasting carbides!Sold per pair.