3kg Retractable Spring Balancer Tool Holder Hook Hanging for Assembly-line no falling off during use

no falling off during use

It can compress coil springs with a diameter of up to 12" (305mm)

This screw starter releases and resets automatically

✅Protect Your Privacy: Black and full coverage design will create a safer privacy space for your family in the back seat

3kg Retractable Spring Balancer Tool Holder Hook Hanging for Assembly-line no falling off during useImprove Work Efficiency: The balancer reduces the fatigue of the staff, and the balancer can save factory space and reduce production costs. Safe and Reliable: The spring balancer prevents tool damage, has a strong bearing capacity, and has no electrical or pneumatic hazards. Fall Prevention: The user can use this product to manually lock the suspended object; with a safety device, if the hanging object is overweight and the coil spring is broken, it