This adjustable wrench is amazing. It has smooth jaws that always remain parallel. This plier can take the place of a set of angle open end wrenches. It has the famous Knipex handle design that won't pinch your fingers. It comes in a 7" size that opens to 1 1/16". a 10" that opens to 1 3/4" and the recently released 12 in version opening to over 2 inches.