Industrial Grade Spring Balancer locks the drum pulley in case of tool disengagement and is available for capacity from 9 to 70 kg. The Balancer is used with welding guns and applications where chances of wire slitting or tool disengagement due to accidental failure are higher. The Balancer has weight ranging from 5.5 to 16.5 kg. The Industrial Grade Spring Balancer has travel meter ranging from 1.3 to 2.3 meter.