Vino Series Vino Pin Single Bottle - Mounting Surface: Drywall with Collars Cast of commercial strength milled aluminum Vino Pins offer the most modern way to show off both private and commercial collections of any size The only metal pin system that mounts directly to the wall (must be 1/2-inch thick or greater). Vino Pin collars (included) are required for all dry wall installations. Vino Pins display standard 750 mL, 375 mL and 1.5 L bottles. 1.5 L bottles only fit on single-deep configurations. Mounting hardware and installation guide included