Only possible on Pegboard, an interesting visual layout that actually presents the wrenches stepped size- and price-wise. A quick easy improvement would be through use of Straight Entry Hooks. These would allow changes within the crowded sizing display without requiring adjustment of more than the hook in question.
For other ways to convey sizing visually see…
“How to Correctly Face Apparel”
“Wood Guides Sold on Slatwall”
“Woodworking Tools on Slatwall.”For organizing by color see…
“Naked Tees Dressed Up With Fencing.”For signing that addresses sizing see…
“Floor Graphic with a Function” and
“Backlit Size Signage.”For other hook patterns in merchandising see…
“Patterns in Hooks and Jewelry”
“Wood-on-Wood Peg Hooks”
“Powerwing Sells Belts and Ties”
“Wrenches Fixtured Step-Wise”
“Tight Planogram Design by Matell”
“Hook Stagger Violates Convention”
“Hook Mis-Alignment Increases Sales”
“Erratic Hooks Tighten Display”
“Easter Sunrise Seen Through Pegboard”
“One-of-A-Kind Perfed Metal Pattern”For all Hook Patterns research aids see…
“Hook Patterns Tag” for a scrollable selection of posts
“Hook Patterns Pinterest Board“ Visual Summary
“Hook Patterns Index Page” for all resources.SEARCH “Hook Patterns” or “Straight Entry” to see other examples. And since this illustrates an advantage of Pegboard, maybe it deserves cross reference with the “Best Practices” TAG.
The most beneficial style of Straight Entry Hook for your specific need is difficult to divine sight unseen. You should research the various one- and two-piece designs.