Unique crank handle for FAST opening, closing, adjusting. Serrated jaw surfaces for extra gripping power. V-Notch on top jaw for holding small parts. Long jaw [2-1/2″ / 64 mm] for extra capacity and greater versatility in workholding. Opening Range: 1/4 ~ 3″ (6 ~ 75 mm). Throat Depth: 2-1/2″ (64 mm). OAL: 10″ (250 mm). Keep this versatile tool on hand for fast clamping in a variety of jobs.