8-1/8 In. W with 7/16 & 13/16 In. I.D. Zinc Plated Steel Multi-Prong Tool for DuraBoard or 1/8 In. and 1/4 In. Pegboards, 2 Pack Hang box wrenches, screw drivers or any tools with a round hole that will fit over the prongs Innovative double locking system locks the hook in place with a locking tab that mounts to the pegboard from the front Use on any 1/8 In. or 1/4 In. pegboard or tool board Hooks mount vertically and horizontally in 4 distinct positions allowing the use of multiple hooks for large, heavy and odd-shaped items Fixtures install from the front, so no need to remove the board for installation or repositioning of DuraHooks