Works on all Standard Valve Cores - Cars, Trucks , Motorcycles , Bicycles . . ETC Core Remover and installer. Inner and outer valve re-threaded (for damaged threads). Can be used as a light duty stem puller. Twist the valve core. Deflate the tire. Remove the valve core. Remove the embedded  stone in the tire lines. Particularly small, but very practical tire tool. The valve core is small, delicate, fine, durable and strictly functional. Comes with 12pcs valve core for replacement. Package Included: 3 x 4 Way Valve Core Remover 12 x Valve Core