These are typically used with tire balancing beads (glass, ceramic, etc.)  Use with tires on trucks, RV's, ATV/UTV SUV's, etc.

Included:   Premium Long Valve Stem Cores - choose the amount you need - Buy More and Save More!

Install:       You will need 1 and 1/4 (1.25") inches for these to fit.  Make sure your stem will accept it with no binding.