<b>Watch video before buying, please note: This is the lamp shade installed by Spider. Before purchasing, please make sure your desk lamp has a harp, you can assemble this lampshade spider.</b><br> Top diameter:10 inch <br> Bottom diameter:12 inch <br> Tall:8 inch <br> Spider diameter:0.4 inch <br> Color:Brown (picture color) lampshades for tabel lamp table lamp lamp shades