Upgradelights Pair of Slip Uno adapter | Fits directly over a lamp socket (often found at many popular retail stores). | Attaches to harp | Fits directly over a lamp socket (often found at many popular retail stores). Attaches to harp | American family owned small business, USA based customer service. Email us for the available quantity discounts. Orders before 12pm get shipped the same dayAmerican family owned small business, USA based customer service. Always next day free shipping from NC.