... .Side magnetic braking device 3.ISO9001:2000 4.well export with best quality Safety Device of electric monorail hoist1. Double Limit ... .No hook tips loading.No direct binding of a load with one chain.5.No over lifting,no over lowering.6 ... .Keep anybody out of the place loadingApplication: Workshop, Plant, Storage, yard, pack ,etc 5ton Small Electric Hoist With Light Duty Class