This MacGregor Shock-Absorbing Base is uniquely designed with cushioning to help reduce injury by "giving" at the right time to absorb the brunt of the slide. Your team will play safer with this durable, one-piece molded rubber base that has no metal parts, so you can forget about rust! Removable center post makes storage and replacement easy. Does not include anchor. Take advantage of this smart innovation in injury-avoidance and make sure your team plays with this MacGregor Shock-Absorbing Base.