the model 600 machine provide fast and effective graining, finishing, deburring and surface conditioning. designed to run nylon, flap, wire, and buffing wheels. variable speed options extend the range and capability of th......the model 600 machine provide fast and effective graining, finishing, deburring and surface conditioning. designed to run nylon, flap, wire, and buffing wheels. variable speed options extend the range and capability of the model 600 machine. composite, vitreous, and stone wheels are prohibited on the model 600, and burr king grinders. the model 800 machine provide fast and effective graining, finishing, deburring and surface conditioning. designed to run nylon, flap, wire, and buffing wheels. variable speed options extend the range and capability of the model 800 machine. composite, vitreous, and stone wheels are prohibited on the model 800, and burr king grinders. the model 1000 deburrs, grains, polishes, cleans, descales, and buffs at a single station, a single machine, and a single operator. the model 1200 deburrs, grains, polishes, cleans, descales, and buffs at a single station, a single machine, and a single operator.