Review on Wheel Masters 80292 Straight Extender by Hurst Batiste

I bought two sets for my trailer. I saw comments complaining about the leak, it didn't happen to me. Although not stated on the packaging, these extensions simply do not tighten properly. The end that threads onto the existing valve stem has a hex key for a wrench, use that! Do not overtighten to damage the existing valve stem. My tires handle 110psi, more than a pickup truck, and when tightened properly these extensions don't leak. They can even be used to easily and gently bend an existing valve stem so that the end is in a convenient location.