1 Bench Sharpener Specifications Wheel speed: 1720 rpm Input voltage: 110 V 60Hz Maximum sharpening width: 12.5 cm Power: 280 w Horsepower: 1/3 hp Net Weight: 25kg Heat:600C Phase:1 Pole:4 AMP:6.5. 280W Electric Lawn Mower Blade Sharpener 1720RPM Bench Grinder Machine 110V New. Wheel speed: 1720 rpm. Input voltage: 110 V 60Hz. Maximum sharpening width: 12.5 cm. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. Compact Design, Unique Appearance.