Package includes: one 2in1 chainsaw chain sharpener that can sharpen chain teeth and depth gauges without removing the chain. Product size: length approximately 31.5 cm; compact enough for use by lumberjacks or landscapers in workshops, gardens, or forests. Compatibility and notice: compatible with STIHL chainsaws and more. Please note that this product is not sponsored or endorsed by, or affiliated with, the brands it fits, including Stihl. Design and performance: preset 30degree sharpening angle maintains an sharpening angle for consistent, razorsharp edges. Antislip grooves are ergonomically designed for easy and comfortable operation. Key benefits and practical value: No need to remove the chain for sharpening, saving time and reducing hassle. 2in1 functionality sharpens both chain teeth and depth gauges for comprehensive maintenance. Provides a consistent sharpening angle to extend chain life and improve cutting performance. 23 practical use scenarios: On a forest job site, quickly touch up chain teeth and depth gauges between logging cuts to maintain cutting efficiency. In a workshop or garden setting, perform routine maintenance to keep chains ready for precise work. While performing landscape or pruning tasks, use the sharpener to keep the chain sharp during multiday projects, reducing downtime and ensuring clean, efficient cuts.