The GM series is composed of a versatile small blade sharpening machine. With its 650 mm grinding length, this instrument can offer a variety of options and accessories. This can sharpen different types of smaller blades such as the planer knives, small chipper knives, small granulator blade, disposable blades (Tersa, Weinig, Sinus) and the profile-headed metal (Widia) inserts. Additionally, it has an automatic down-feed grinding head and a tilting head for grinding hollow surfaces.