What is the difference between a spreader bar and a lifting bar?

Type	Spreader Bar	Lifting Bar
Core Functions	Distribute the hoisting load to avoid the sling squeezing the hoisted object or uneven force	Directly connect the load to the spreader and adjust the position or angle of the lifting point
Core Design	Maintain sling spacing to reduce lateral pressure	Provide rigid support to adapt to specific lifting angles
Structure Type	Horizontal rigid beam with hanging points at both ends	Straight rod or rod-shaped structure with adjustment holes/accessories