1. Metal screw adapter, higher thread reduction degree, suitable for screw interface air pump 2. The tube is made of fiber plastic, with texture, strong toughness and not easy to break 3. The inner interface of the air nozzle interface is designed with rubber edging, which has good sealing performance and is durable and leak-proof. 4. Use: bicycle, car inflatable conversion interface 5. Material: metal, fiber plastic 6. Size: about 36.5 cm long 7. Weight: about 67g/piece
