AUC1188: Features and Benefits -Sliding lever sizes jaw 50% faster than traditional adjustable wrenches . -Parallel jaws with smooth surfaces grip securely and help prevent scratches. -Precise scale markings size nut and bolt diameters easily. -Grooved internal jaw manually slides forward for quick one-hand sizing and keeps jaw locked in place for leverage and repeated use. -ProTouch trade; Grips with molded handles for comfort and less hand fatigue.The Vise-Grip reg; 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. Jaw capacity is 1 quot;. Includes a hang hole for easy storage.-8 SAE Quick Adjusting Wrench.-Lifetime warranty does not cover abuse.