The item is a pack of tool and cores made of zinc and iron alloy. It is suitable for cars, trucks, motorcycles, bicycles, etc. With this Helpful tire tool, you can install and uninstall the core easily and conveniently. They are compatible for all vehicle valves as well as air conditioning units. Features - Color: Silver, red. - Material: Zinc, iron alloy. - Size: About 19.5 * 5.5 cm/ 7.68 * 2.16 in. - Suitable for Standard Cores - , Trucks, Motorcycles, Bicycles, atv, Lawn Mower Trailer ETC. - Functions: Removes and install cores.Re-taps threads inside & outside. Reams inside stems. Remove broken cores with a unique reverse threaded removal tool Deflate the tire. Remove the embedded stone in the tire lines. Can be used as a light duty stem puller. - Fits: Compatible for all vehicle valves as well as air conditioning units. Package list: 1 * Set of Tool with 6 Brass Cores Fit for All Vehicle Air Conditioning Units