Practical and very powerful straight grinder with high plunge depth for heavy-duty grinding and deburring work in places that are difficult to access. Long, slim neck allows deep penetration into workpieces (e.g. internal grinding of pipes). Comprehensive user protection through KickBack stop, restart interlock, gradual start, electronic overload protection. Innovative collets with all-round collar to protect the workpiece and prevent the key from slipping when changing tools. Variable speed allows the use of different tools. POWERtronic tacho electronics for enormous power, power reserve and particularly constant speed under load. Interchangeable rubber neck bearing cover. Motor and electronics protected against metal dust.