About This Set description: Your package will include 4 tubeless bicycle accessories, 2 of which are tubeless sealant injectors with switches Function: This product is designed for easy injection and removal of sealant, specifically tailored for convenient maintenance of tubeless tires, with precise control over dosage. Innovative valve design: Unlike traditional injectors, which may cause sealant to clog the valve and hinder airflow, our tire sealant injector is designed to directly penetrate into the tire, thus preventing clogging and ensuring optimal airflow. The Syringes can use with most sealants, and the valves cores tool extenders Suitable for bicycles, road bikes, fold bikes, and mountain bikes, offering a secure and stable seal everytimes Equipped with a 60ml ( 2oz) capacity straw, a smooth pistons, a slender visible head, the Syringes allows for precise sealant Injections without clogging