Elegant Rainbow Design Unique Cabinet Knob . Unique, hand painted cabinet knobs for your kitchen cabinets. 1.5" in diameter. Includes screws for installation. Delivery time is normally 5 to 7 business days. If the item is out of stock, production and delivery will take 2 to 3 weeks. Minimum order of three knobs - mix and match. As the products are handmade, it may slightly vary in color as well as in designs from the picture.