The GC-CS 235 E chain sharpening device is a compact, robust, and reliable tool for precisely sharpening all common saw chains. The adjustable clamping device, which can be rotated and features a scale for precise grinding angle adjustment, allows for sharpening all cutting links of the saw chain without the need to reposition it. The adjustable roof angle setting expands the machine's range of applications. A depth limiter protects the chain from excessive material removal. The transparent viewing window, along with the lighting, enables accurate and safe work even in low light conditions.