The Black Converter Fastener is 1 inches wide, 1 inch deep and 2 inches high, made with recycled aluminum, for a durable, attractive, strong No-drilling installation. Slides on in seconds, and stays affixed to due to tension design. Fastener has a screw embedded in it. Screw on desired knob (knob sold separately for custom look) Fits conventional cabinetry widths of 3/8 to 5/8 inch. Made in USA.