Tecomec Speed Master, also known as Midi Jolly. Compact and reliable grinder, professional and accurate grinding performances. The SPEED MASTER features permanent-magnet motor capable to provide excellent performances under the most heavy strain. Sharpening of all sizes of saw chains: from 1/4 to 404 pitch. Use our 95-8384, 95-83839 & 95-83841 replacement grinding wheels. VOLTAGE: 230 V / 50 Hz CHAIN PITCH: 1/4 .325 3/8 .404 240V compact and powerful. Five Year Warranty.