31 Inch-Half-Moon Shelf Set, 2 Shelf Pivot & Slide, White. If you’re tired of using a flashlight to see what’s in the back of your blind corner cabinet then this is the unit for you. The Rev-A-Shelf 570 Series Half Moon shelf set incorporates both standard and 90 degree hinge euro brackets. Chrome plated shaft and mounting brackets help to distribute the weight from the cabinet wall to the floor of the cabinet. Features textured polymer tray surfaces. Minimum cabinet opening: 13-1/4″.