●Package value: valve core remover tool, 10pcs Presta valve cores, 10pcs valve stem caps ●Scope of application: Motors, trucks, motorcycles, bicycles, tractors, lawn mowers, ATVs, air conditioning spool ●Easy to use: easy to remove and install Presta valve cores ●The copper nickel plated valve core has the characteristics of strong corrosion resistance, so it has a long service life and strong safety ●Suitable dimension: valve core remover tool measures approx. 5.5 cm/ 2.17 inch in length, brass valve core measures approx. 2.6 cm/ 1.02 inch in length