Don't let the wind keep knocking over your speed poles or corner flags. Our Jumbo Base can hold up in any condition! It's the most stable and heavy duty base in the industry. You certainly get what you pay for with this rubber base. A great feature with our Jumbo turf Base is that it also accepts agility and corner flag pole with the industry standard round spike! Wide 12" base and 8 pound weight keep your soccer corner flags & speed & Agility Poles in place through the most vicious windy conditions. Fits all 25mm or 1" diameter poles. (Standard pole diameter) This base accepts our speed poles with spikes for easy use from grass to turf fields. (Hole inside base allows for use of poles with round spikes.) Material: Solid Rubber Construction with wide base for stability. Can be used on all surfaces including Grass, Artificial Turf, Gym Floors & Concrete. 25mm Large Rubber Base (8 lb wgt, 12" diameter) Sold Individually!