High strength and high wear resistance make it have a longer service life. The anodized finish makes it very rust-resistant and corrosion-resistant.Two different specifications allow you to choose the most suitable one according to your needs. Exquisite and professional workmanship makes it very sturdy and stable.Made of aluminum alloy material, it is very durable to use.There are two specifications for you to choose from: 50mm, 60mm.It is suitable for French mouth, and is used for the cutter ring of dead fly and road bike.Item Name: Valve ExtenderMaterial: Aluminum AlloyFeatures: Long Service Life, Firm, High StrengthSize Details: 50mm: 5cm x 0.46cm x 0.46cm/1.97" x 0.18" x 0.18" (Approx.)60mm: 6cm x 0.46cm x 0.46cm/2.36" x 0.18" x 0.18" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Detachable valve cores cannot be installed on this extension.Package Includes:2 x Valve Extenders Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.