Gared Performance Sports Gooseneck Football Goalpost Ground Sleeves - 4 1/2 inch Heavy-duty FGP400GS ground sleeves allow for 4-1/2" O.D. football goalposts to be removed when not in use, providing a versatile option for multi-sport or multi-event fields. Sleeves are inserted 4' into soil for maximum goalpost stability. Allows for easy removal of goalposts during off season and maximizes field space