Features: This valve core kit serves as an all-in-one resource for both routine maintenance and unexpected repairs. It eliminates the need for multiple purchases by combining specialized valve cores, universal seals, and dedicated tools in one organized package. Whether you are a professional technician or a skilled DIY user, this valve core collection makes you have the correct part on hand to complete the job quickly and reliably. Specifications: Valve core material: solid brass and aluminum Valve core remover tools material: stainless steel Package includes: 110 x Valve cores A box of 270 sealing rings 2 x Dual-head valve core remover tools Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays