One piece heavy-duty all rubber molded construction with steel stanchions. Tapered, slide over sides reduce chance of injury. 7" stanchion fits 1 1/2" female anchors only. (Also available to fit 1" male anchors upon special request.) Base profile is 3" tall at center. Now includes (3) anchors and (3) indicator plugs. Please download our catalogue for a full product selection listing or call us at 1-866-656-8023.