Universal compatibility: Suitable for most chainsaw blades. This battery operated sharpener easily maintains your oil chain for efficient cutting performance. Stable performance: Professional craftsmanship and accuracy deliver consistent and reliable sharpening results. Easy operation: 45 hour charging time and 4060 minutes of runtime. This compact chainsaw sharpener kit offers convenient and simple use anywhere. Durable materials: Made from quality ABS and steel. The red cordless sharpener provides hardness and long service life for frequent outdoor and household tasks. Key benefits and why you need it Keeps cutting efficiency: Regular sharpening helps maintain smooth, efficient cuts and reduces strain on the saw. Portable and ready anytime: Cordless design and lightweight build allow sharpening where you work, without the need for a power outlet. Long service life: Sturdy ABS and steel construction withstand outdoor use and frequent sharpening tasks. Compatible use cases Home backyard maintenance: After routine wood cutting, use the sharpener to quickly restore blade edge for cleaner cuts. Onsite forestry or construction: Take the compact kit to the job site to refresh chainsaw blades without removing them. Emergency roadside or field work: The portable sharpener stays in your kit for quick edge restoration during urgent cutting tasks.