Product details:

The Fein die grinder, GSZ 4-90 EL, has a powerful 350 watt motor with variable speed range of 3,500 -8,500 RPM that will allow you to use this grinder for a variety of applications including material removal to polishing. Stainless steel is an ideal application for these speeds. Clamping neck O 43 mm which allows you to get into small areas while grinding. Replaceable neck bearing cover for ease of maintenance and continued long life of the tool. The die grinder includes a 1/4" collet with 2 wrenches (SW13 and SW17). The collet is also patented to allow for easy abrasive removal so it never gets stuck again. Very ergonomic die grinders with high depth of immersion. Higher motor speed, therefore increased power of 350 W. Metal dust protection on field in tool armature and electronics to ensure long life. Longest lasting brush in the industry due to patented technology. Replaceable neck bearing cover for ease of repair. Made in Germany for long life and power you need all day long.