Panama chock is often used on commercial ships nowadays and made according to JIS F-2017 1982. This standard is similar to Chinese Standard GB11586-89.Before F2017,there are other standards of JIS F2005-69(1969), JIS F2005-75(1975),JIS F2005-95(1995),JIS F2007-96(1996). These standards are seldom used but sometimes purchasers use them as reference for supplier or manufacuters.It should be helpful for you to know mooring chock well. The weight is from 253kg to 395 kg without foundation. If you need foundation, Ekahship also can provide them as the photo show. Some shipyards need Pamana chocks together with foundation. We can trade them to Ukraine,Russia, Estonia,etc because we are a world trading company, especially on mooring equipment such as chock, bollard, fairlead,winch,etc.
