Tightlok cable bolt is made of steel strand, and has perfect support capacity. Usually be used in the area where common grouted support is vacant or inadequate, and especially good for permanent ground support with some resin cartridge . Features: 1. Has incomparable flexible capacity and anti-shearing capacity. 2. Available in two different diameters with both black and galvanized. 3. Usually packed into roll to save working space, especially in confined areas. 4. Can use the conventional bolting equipment. 5. Specially designed birdcage system can greatly improve the resin mixing and anchorage result. 6. Plain or bulbed options available, bulbs available at either 0.5m or 1m spacing. 7. Fish hooks fitted to cables for retention in holes prior to grouting. 8. Usually matched with Washer, Grip(Barrel & Wedge) and Dome Plate. It is based on the request of each client.