container steel seal,lock 1.low carbon steel 2.high security & safe 3.any color is availlable ... 4.superior quality,good price container bolt seal, steel lock1.low carbon steel2.high security and safe3.any color is availlable4.superior ... Paramenters :• both pin and cylinder is made of high quality low-carbon steel, ABS plastic wrapped.• tensile strength :>15KN, once locked, its ...