The PFERD product range includes sharpeners for both manual and mechanical sharpening of saw chains. Sharpeners from PFERD stand out due to their long tool life and ease of use. Chain saw sharpeners from PFERD are exceptionally well-suited to the manual sharpening of saw chains. Manual sharpening is more economical and much more gentle than machine-based sharpening, and can prolong the operating life of the saw chain. The CHAIN SHARP CS-X chain saw sharpener stands out due to its very good file position, ergonomic shape and easier operation. The device provides a sharpening angle of 30. The chain saw sharpener comprises a sharpener, a Classic Line chain saw file and a depth gauge file. It is supplied with detailed operating instructions in a transparent, reusable plastic pouch which protects against damage and dirt.