Hello,I am interested in PLASTIC manhole covers.I am looking for the following quantities:0 to 10001000 to 50005000 to 1000010000 to 15000Also, the dimensions are 24 inches ROUND, 600mm.They are used for sewers, and high traffic roads.If you can also quote the following:12*12 size Main Hole Cover 18*24 size Main Hole Cover 24*24 size Main Hole CoverI have attached a picture of a PLASTIC MANHOLE COVER.And also could you please tell weight and cost for shipment to PANAMA?Warm RegardsCountry:USA