- Stainless Steel Wall Shelf - 12" X 24" is standard 18 gauge stainless steel. The restaurant 12 x 24 wall shelf mounting hardware is included. The Restaurant wall shelf is constructed for sturdy storage. This stainless steel restaurant wall shelf has a 1 1/2" Bull Nose Front and 1" Backsplash. LYJ shelves save space and are easy to stack and mount. This restaurant 12" x 24" wall shelf will prove to be a great space saver for any kitchen.