Approximate Distance between Hooks on Outside of Rack for Lowest (Largest) Wrench Spot:6-13/16". - Approximate Distance between Hooks on Outside of Rack for Highest (Smallest) Wrench Spot:2-7/16". - All Black Circular Pads on the back of the rack are secure.

Brand: Cornwell Tools
Type: Wrench Organizer/Holder
Color: Blue
MPN: PR-WRPI-15
Country/Region of Manufacture: United States