This 90 degree frameless hinge is designed for frameless cabinets and features a self closing mechanism, making it easy to install as there are no cup holes to drill. Simply screw this onto the interior wall of the cabinet and the interior of the cabinet door using the included hardware. The material used is steel with a cadmium finish. Packing: 1 each per box, 10 each per box per case. Sold in both broken and full box quantities; discounts are available for orders of full box or full case quantity.