... operation,3.5 fold safety The main characters of lifter,lifting equipment,lifting magnets:1.Widely used in machining,mould producing industry.2 ... safety factor,maximal breakaway force is 3.5 times rated lifting power.4.Handle switches with safety twist,easy for single ... safety on using,aside may operated at open country. ModelRated Lifting Capacitytest max. pull of force Shape SizeN.W.steel plateround ...