Lang lay (RHLL) wire rope 

Wire rope consists of several strands of metal wire laid (twisted) into a helix. 

a variety of constructions:

6x7 construction ropes, 6x19 construction ropes, 6x37 construction ropes,

6x19 Class: 6x19/ 6x19(S)/ 6x21(WS)/ 6x25(Fi)/ 6x26(WS)
6x37 Class: 6x31(WS)/ 6x36(WS)/ 6x37/ 6x41(WS)
Rotation Resistant: 19x7, 35x7, 8x19(S) IWRC