Smooth handling without letting both hands off from workpiece during operations. Ring-style console is perfect for anyone who… - do not want to remove his/her eyes from a workpiece for controller operation - experience a workpiece to be off the correct position when leaving one hand off during controller operation - do want to use both hands freely when inserting a workpiece with applying force - do want to handle a workpiece with both hands from beginning to end ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: Moon Lifter (An electric balancer) is a lifting equipment that lifts a workpiece of 10 to 2000 kg and moves it with little strength. This unique equipment is widely used for precise assembly and positioning in production fields of machineries, unpacking works of raw materials bag, general operations in logistics field and more.