A innovative, small, multifunction, handy tool designed to install and remove Schrader and Presta valve cores, also Presta valve extenders with 5mm wrench flats. CNC machined, anodized finish, slim, lightweight and easy to carry out. A must have tool in your saddle bag! Easily tighten or remove valve cores on bicycles, cars, trunks, and any other air filled tires. Also can be used for Presta valve extenders with 5mm wrench flats. Fits between spokes for quick and easy core removal. Brass replacement Presta valve core and Schrader valve core in a set- High-quality copper nickel-plated valve cores .Used to replaced the leak of the old valve make the Tire rejuvenation. Stop air leaks from old valves .Universal compatible. Good air-tightness. More durable, safe and reliable. You will get a valve core remover tool and 6 pieces Presta valve core, 6 pieces Schrader valve core in such price. These Schrader valve core is used in any car, truck, motorcycle, bicycle, ATV, and more. Universal Presta valve cores ,compatible with road & MTB tubeless valve stem. With them, you can easily and freely change your core anytime, anywhere, no need to carry bulky tools or to find a repair shop., Manufacturer: TuoTu