7-inch length capacity: up to 1 1/8 inches Patented push-button adjustment mechanism maintains jaw size position until reset saves time Self-gripping jaws for fast operation with one-handed downward pressure no handle squeezing Parallel jaw shape grips fasteners on four sides to prevent rounding of nut or bolts; pliers wont slip Guard prevents pinching of operators fingers Minimum 11-position adjustment provides a precise fit on the work piece Forged from oil-hardened chrome vanadium electric steel for greater strength