Features
* Spiral design.
* Increasing screw diameter is balanced by increasing spring force so that the output force is balanced and the tool stops at wherever it is pulled.
AIR SPRING BALANCER (3.0kg 〜 5.0kg) Model #SA-22050
Capacity: 3.0kg 〜 5.0kg
Cable Travel: 1.3M Packing: 10pcs/ctn/19.4kg/1.7 cuft