AC JIS F2017-82 Mooring Panama Chock Panama Chock AC is a popular type of marine Chocks, made from cast steel material, seat and bulwark are made by processing steel sheet. We can manufactures chocks in a wide variety of sizes and styles,also can customized the chock according to your drawing. 1.Material:cast steel ZG200-400,ZG230-450. 2.Paint:Normally we adopt Grey Epoxy Primer or Black Bitumen Paint. 3.Packing:Iron shelf or as per your request. 4.surface in contact with the rope in use been finished smoothly. Panama Chock AC Certificate: ABS,GL,RINA,DNV, mill certificate available, etc. Panama Chock AC Specification