Look at all these features The overall length of the Sea-Rig Rigging Screw is only approximately 60% of other manufactured rigging screws. This is achieved by burying both right and left hand threaded components within themselves (Patent pending).   Both right and left hand threads are never exposed to either the environment or to any damage.   The locking is simplicity itself. The screw locks itself in the longitudinal slot in the union.   Adjustment is made by placing a spanner on the two flats of the swage and a second spanner is placed on the hexagonal end of the union and turned either way for adjustment.   The complete tidiness of design in the Sea-Rig Rigging Screw makes it less prone to tearing sails or clothing, and ideally suited to architectural features of design.   Stainless Steel wire rope is attached to the rigging screw by insertion down the end of the stud swage (pictured), which is then passed through a powerful portable hydraulic swaging press. Efficient, neat and tidy.