The structure in anodized aluminium and mounted wirh ventilated motor. Hermetic meat mincer reduction with oil bath gears. Gears of hardened and rectified steel. The mouth and mincer screw in food-grade polished aluminium alloy. Plate and knife stainless steel. Grater opening in polished and anodized aluminium alloy. Stainless grater roller. Practical drawer for plate and knife. Possibility to reverse standard motion. Safety micro switches on collection tray and lever.