Progressive action runners with soft close Double wall steel frame system provides heavy duty structure and a stylish design Add your door thickness for inset applications For 457 mm (18″) wide base cabinets with no drawer above Minimum Opening Width: Face frame – 375 mm (14 3/4″) Frameless – 394 mm (15 1/2″) Door brackets are reversible for full overlay 5 piece doors – 413 mm (16 1/4″) Minimum cabinet depth x height: 500 x 563 mm (19 11/16″ x 22 3/16″) Area of application For vanity or laundry cabinets Material Steel; Bottom and Back: Melamine (2-Sided); Bag: Nylon Load bearing capacity 50.00 kg Load bearing capacity 110 lbs Installation Bottom mount unit designed for face frame or frameless cabinets Quick mounting, bottom bracket rests against the back of the face frame (3/4″ from front edge)