They make Shelf Brackets 3.75" x 10-14" ??

Looking for some shelf brackets for shelves that are 14" deep. But they rest on a 3.75" panel on the back so I can't use big L shapped brackets. If I could find a 3" x 10" bracket that would be nice, or possibly just a sturdy straight bracket and avoid the L shapped. Closest I could find was the following 11x5, but 5" is still a bit too big. Any ideas? %26quot%3Bx5%26quot%3B+White+Folding+Shelf+Bracket
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