[ WORK EFFICIENCY IMPROVING]---With the help of strength the spring accumulating, the spring balancer could help to balance the weight of your assembly tool, making them nearly weightless, reducing the staff's fatigue and improving work efficiency
[ WARNING TIPS]---Please make sure that the object you hanging is in balance condition, reversing way will reduce balance force, and regular way will increase the balance force. Please do not pull or let go when no working object
Safe and reliable to use without electrical or pneumatic danger.