... ,even the length reach 100 meters; 2,High quanlity; 3,Iron core, steel core, PE core, PE core is better The ... core material can be iron, steel and PE,PE is the best;The ... .In this picture,the cable core is made of PE.The cable is the best.In this picture,the ... steel core,the iron core and the PE core is put together. marine,boat,ship push pull cable ...