Gabion Stone is typically used in cribs to support docks or to control bank erosions and allow water for run-off control. It comes in various sizes 4"-6", 6"-12" most common and easily manageable for do it yourself, or Rip Rap 12"and above. Contact us for more information. http://www.shopbracebridge.com/wesfinchandsonsexcavatingltd/?listing.action=contact