WEST BIKING Multi-Function Hexagonal Bicycle Repair Wrench Tool Set 1. Material: alloy steel bit + carbon steel file + PC case 2. Flip-top design for easy storage 3. Includes 7 interchangeable bits, suitable for most situations 4. Equipped with a simple tire repair tool for emergency repairs 5. Lightweight design, compact and portable 6. L-shaped comfortable grip for even force application, high-precision, tight engagement, and smooth grip for easy screw removal 7. Bidirectional ratchet head with one-touch switching for customized direction adjustment, making it easier and more convenient to use 8. Includes a CO2 inflator nozzle, compatible with both American and French nozzles, and constructed entirely of aluminum alloy for increased strength and airtightness (gas cylinder required) 9. ??Simple, strong tire lever with excellent toughness, durable, and a smooth surface that wont damage the frame 10. Weight: approximately 184g