Irwin Tools Irwin Industrial Tools 2078601 8-Inch SAE Quick Adjusting WrenchFrom the Manufacturer The Vise Grip Quick Adjusting Wrench is the fastest, most versatile wrench available because it features a sliding lever for quick adjustments. The Quick Adjusting Wrench combines the versatility of adjustable wrenches with the precision and consistency of open end wrenches. Parallel jaws with smooth surfaces Precise scale markings Grooved internal jaw Sliding lever Protouch grips provide maximum comfort and reduced hand fatigue