Super Anchor Fall Arrestor Lifeline Assembly - 30 ft.* The 12 strand 30 ft. deluxe rope of this lifeline is normally used in salt water crab fishing and is rated for over 11,000 lbs. In not so many words It will hold up on the most rigorous job sites. * This lifeline system includes the super grab, a non mechanical rope grab that is lightweight alternative to bulkier mechanical devices. * The super grab slides easily along the lifeline and uses a Prussic knot which grabs within inches under the force of