Why Upgrade to LampsUSA.com Signature Shades? Top Quality Shantung Fabric means your room will glow with a rich, warm luster your guests will notice Thicker Fabric and heavy lining so your new shade will last for years. Heavy brass and steel frames mean you can feel the difference when you lift it. Thick, White Fabric 12" Top x 18" Bottom x 10" Slant Height Spider Fitter with V-Notches at 3.5" and 4.5" to set on Reflector Bowl as well as on a harp. Spider Fitter but also fits a lamp that uses a 6", 8" or 10" reflector bow/li> Weight: 2.7 lbs Fits best with a 8" harp. SKU: 20358