Center-cut jaws are precision ground for cutting efficiency and durability. Lockplate reinforcement prevents jaw bolts from loosening or turning, keeps jaws in correct alignmen All-purpose, center-cut jaws for soft, medium and hard metals. Drop-forged, alloy tool steel jaws are precision ground for sure, efficient cutting and long life. Three-point toggle joint multiplies 50 pounds of hand pressure on handles to 4,000 pounds at cutting, Manufacturer: KLEIN TOOLS