Interstate Pneumatics TF7146 Straight-In Tapered Inflator Chuck with TF7000 Inflator Chrome plated metal casting | Precision machined brass internal parts Buna-N (Nitrile) O-rings | Indicates 5-160 PSI in 5 PSI increments 1/4 inch NPT Female Inlet Threads | Red Rubber Hose Maximum Operating Pressure: 175 PSI | Length: 12 inch Includes Straight-In Tapered Chuck (T46) | No internal shut off valve