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 won't damage the frame 10. Weight: approximately 184g