1)Meaning: 1 single strand consisting of 19 single wires. All wires in all strands have the same or similar dia. 

2)Dia. Ranges: 12.0mm 

3)Spec. EN12385-4 (DIN 3053) 

4)Tensile Strength: 1570N/mm2 ~ 1770N/mm2 

5)Lay directon: R. H. L. Or L. H. L. 

6)Grade: AISI 316, AISI 304 

7)Packing: 500mtrs ~ 3, 000mtrs per reel 

8)Characteristics: Hard, widely used for yachting