Features: OOTDTY     brand new and high quality Material: Bike Vacuum Tire Valve Nut made of durable and stable aluminum alloy material, it is long-lasting and stable for ensuring long term use. Sealing Rings: Come with valve nuts sealing rings, the Presta Valve Nuts Sealing Ring can increase air tightness and prevent the nut from loosening. Multifunctional Wrench: It can be used not only to install the nozzle nut, but also to the detachable valve core assembly and the detachable nozzle extension rod. Lightweight Nuts: Presta Valve Nuts reduce the impact on the wheels and greatly reduces the impact on the wheel balance, allowing the rider to get better experience. You Will Get: The package includes 2 nuts, 2 sealing rings and 1 inner tube wrench ( Note: please put the sealing ring first when installing, and then tighten the nut). Specifications: Material: Metal Color: As The Picture Shows Package Weight: approx.5g Size: Mixed Size (More Size Details, Please See Photo.) Package Includes: 2Pcs x Nuts 2Pcs x Sealing Rings 1Pc x Inner Tube Wrench Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!