Large Bore Clip-on Chuck Hard Seal, Product Type Heavy-Duty Tire Chucks, Chuck Type Straight Lock-On, Includes Higher Durometer Seal, Maximum Operating Air Pressure 250 psi, Head Style Single, Number of Tire Inflators Not Applicable, Pressure Increments Not Applicable, Thread Size 1/4 in, Hose Length 2 in, Thread Standard FNPT, Material Brass, Minimum Operating Air Pressure 0 psi, Features Releases when Sleeve is Pulled Back, Securely Locks on to Valve, Standards Not Applicable