Highquality materialThe hook is forged from highquality alloy steel, which is not easy to fall off; the thickened shell is made of aluminum alloy, which is lighter and more durable. High performanceHighquality springs have good use effects and long product life, which greatly reduces people's labor intensity and improves labor productivity. Safe and reliableThe tool balancer has no electrical or pneumatic hazards, has a safety device to prevent tool damage, and can immediately lock hanging objects to avoid falling. Adjustment functionYou can use the adjustment knob to adjust the intensity. Clockwise adjustment force is large, counterclockwise adjustment force is small, easy to operate, can improve work efficiency and reduce employee fatigue. Wide Usage - This spring balance can be used in many situations to meet the different needs, such as equipment fixed, part installation, material and tool hanging, and etc.