Bino-X 25 - 1" Bino-X 35 - 1-3/8" Bino-X 50 - 2" Special Orders Black PVC Bases SPHAERA ACCESSORIES SPHAERA in BARS - U.S. Patent SPHAERA 65 3-1/2" - U.S. Patent SPHAERA 50 2" - U.S. Patent SPHAERA 35 1-3/8" - U.S. Patent SPHAERA 25 1" - U.S. Patent Special Orders Slim Bases