Here is a 1" long, double sealing, all-metal Inflate-Thru Valve Cap you do not have to remove while checking air pressure, inflating or deflating. Originally designed for high pressure truck service. External thread is strong enough for lock-on air chuck.

WARNING: This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

California Residents: Click here for Proposition 65 Warning.