... inside are tin-plated .home meat grinder, hand mixer, mincing machine, meat machine1) Surface: tin electro-plated, hot tin and silver ... ) Material: cast iron, stainless steel or aluminum3) Hand operated, and table mounted 4) Model: 5#8#10#12#22#32#42 ... : blade and cross knife of different diameters for different models manual mincer machine with handle table mounted