... pulleys, 3.Limit Protection: load & traversing 4. electric chain hoist 1.Model CD,MD Electric Wire rope Hoist is a small-sized lifting ... 5T,10T,16T,20T,32TWork Class:M3 M4MD model Electric wire rope hoists have two speeds,make it lift steadily and ... accurately.5.Protection: Load limter,traversing limter,Low electric power limiter 1 ton electric chain ...