Item Description 1000PC TR 413 Snap-In Tire Valve Stems Short Black Rubber Hole: 0.453", Length: 1-1/4" Size Base inside rim: 0.78" Size Base outside rim: 0.66" Effective length: 1.25" Cap Thread: 0.33" long. Professional Installation is Highly Recommended No Instruction Included Package including 1000PC TR 413 Snap-In Tire Valve Stems As pictures shown.
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