Proxxon Grinding and Polishing Machine SP/E For 50mm discs and brushes. With electronic speed control from 8 to 24 m/sec. The slim housing facilitates the grinding of long workpieces and includes an adapter to connect a vacuum cleaner to the unit. The tool rests and eye guards are both adjustable. A spindle lock eases the changing of wheels and discs. Supplied with a 50 x 13mm corundum (grade N) and silicon carbide (soft compound) wheel for general grinding/sharpening and hard materials respectively. The right hand spindle accepts the polishing arbor, which is supplied as standard equipment. Technical Data: Variable speed of 3,000 - 9,000rpm, or 8 - 24m/sec with standard wheels. Motor 220-240V. Insulated to class 2. Wheels 50 x 13 x 12.7mm. Weight approx. 1.2kg and size approx. 250 x 130 x 100mm. Proxxon No 28030