... plate Finish: Zinc plated, Threaded stem, Grip stem,bolt hole.Loading Capacity:80-200kgsFeatures:Excellent Rotary Flexibility Excellent Quiet While sliding ... appliance equipment, Tool appliance cart, and hotel handcart.Especially suited for use in hospital , hotels,and food services.optional side axle ... -6black35061 3/8 PU386-2PU386-4PU386-6red35061 3/8 use for medical machine 's caster