Professional Alignment Tool This 77175 stick alignment bar can be used on bumpers, panels, hoods, decks, and brackets. It is an indispensable alignment tool when you need the versatility of a chain hook. Ideal for dent repair or alignment on cars or trucks. Versatile Design This auto body tools come with heavy duty 1-1/4″ diameter tubing with two welded hooks and 6′ long 1/4” chain with hooks on both ends to provide flexibility and adaptability for various repair jobs like straightening bumper frames, aligning panels, or performing other auto body. .