Features: Car valve core R12 R134a accessories. With valve core remover tool, useful tool kit for car replacement and maintenance. Suitable for car replacement and maintenance, replacement valve core leak. 40pcs Car Accessories Kit, including 39 value cores and 1 remover installer tool. All in box for easy storage and carrying. Fit for most cars, truck, ATV, motorcycles, bicycles, electric cars, balance cars, tricycles, etc. Great for mechanic and A/C repair shops. .