8" x 4' Endless Twin Path® High Performance Roundsling Vertical Cap: 150,000 lbs. Flat Head 410 Stainless Steel Masonry Screws this screw delivers a strong this screw delivers a strong hold for roofing and siding panels This aluminum tape is approved for SCIF room construction and aligns with general ICD 705 requirements and pair your sling with a properly rated wide body shackle such as the Crosby® G 2160 Bolt Type Wide Body Shackle or Van Beest Green Pin® P 6033 Wide Body Sling Shackle this twin path endless lifting sling and endless HMPE sling is stronger than a comparably sized wire rope or chain sling at only about 10% of the weight