corn grinder,hand corn grinder, corn muller 1.model:500# 2. cast iron 3. high feeder and low ... feeder CORONA brand or 500#corn grinder 1)High hopper or low hopper 2) ... 155MM or 145MM 3) tin plated surfaceCorona brand corn grinder/500# corn grinder1)Cast iron materail :155MM or 145MM2)Electric ... )6units/carton,1unit/color box5)hand operated hand 500# manual corn grinder(factory)