5 PCS Inflatable Extension Tube, Length: 120mm

5 PCS Inflatable Extension Tube, Length: 120mm
1. High-quality long rubber extension tube, thickened tube body, explosion-proof and crack-proof, and bend freely.
2. Built-in American valve core, strong sealing, pure copper material, high strength, not easy to , and more stable performance.
3. The head is made of copper, which is solid and durable.
4. Scope of application: cars, battery cars, bicycles, balance cars, scooters.
5. Specifications: outer diameter: 10mm, inner diameter: 5mm