This tripod works with Aladdin paper or parchment shades

• For Aladdin lamps made since 1917: Models 7-12, A, B, C, 21, 21c, 23, 23A, MAXbrite
• Center ring is 2-1/16"
• Fits under the burner, not under the gallery

IMPORTANT: Aladdin tripods do not fit other brands. Not recommended for glass shades - use a shade ring instead.