The non-rotating characterizing is achieved by two layers of strand, one having right lay,the other left lay.
Rotation resistant but NOT non-rotating
Requires frequent inspection as damage to inner strands and wires cannot be easily detected
Not recommended for multiple part lifting
Standards RR-W-410G
Applications include, hoisting ropes on derricks, boom cranes, shaft sinking hoists and freely suspended mine hoists, deck cranes, piling rigs main and auxiliary hoist lines on mobile and truck cranes.