Dual head service gauge. Provides accurate, long life, and trouble free performance. 12-3/4 inches long. Precision seamless drawn, nickel-plated brass tube features a 4-sided nylon indicator bar that is hot stamped, not pad printed. 100% calibrated across all 3 PSI (pounds per square inch) ranges before leaving the factory. Includes a hang-up loop for easy storage. This product contains chemicals including lead known to the state of California to cause cancer birth defects or other reproductive harm. Wash Hands After Handling. -