Key benefits Quick and reliable maintenance: The intuitive design simplifies chain breaking and nut removal, making routine bike maintenance faster and easier. Durable and dependable: Crafted from carbon steel for long lasting performance in all maintenance tasks. portable: Compact dimensions 9.8 cm x 4.1 cm (3.86 x 1.61 inches) allow easy carrying for on the go repairs during camping trips or travels. All in one tool: Combines a bike chain breaker and a nut remover to provide an efficient solution for quick repairs on both mountain and road bikes. Key features Function: Chain breaker and nut remover integrated into a single tool for convenient field maintenance. Compatibility: Suitable for mountain and road bikes, addressing common on trail and road side adjustments. Size and portability: Small form factor that fits easily in a kit, bag, or pocket for travel or camping. Material and durability: Made from carbon steel to support frequent use with reliable performance. Use scenarios On trail during mountain bike riding, enabling quick chain breaking and nut adjustments without carrying multiple tools. Long road rides where a compact, reliable tool is needed for essential chain work and nut removal during stops. Camping or travel situations where a compact, multifunction tool replaces a heavier, multipiece toolkit.