Heavy-duty regulation tennis posts meet all USTA requirements. Uprights are 3-1/2" O.D. galvanized pipe for long wear and easy maintenance. Galvanized cable guide post cap permits cable to feed over the post to meet official requirements. Cable extends into durable cable tensioning winch located on back side of post for added player safety. Post may be used in conjunction with No. 00403000 ground sleeve for removable feature. For use with No. 02237000 nylon net (not included).