These Snatch Blocks have a Swivel Shackle attached to a chain. The chain alsohas a Grab Hook attached at the end of it. Use snatch blocks to change thedirection or gain a mechanical advantage over the load being moved. B/A’ssnatch blocks all feature bronze bushings with grease fittings. Chain Size: 5/16″ (6I-2T3SC) or 3/8″ (6I-4T4SC) Chain Length: 30″ Specifications: Item # Sheave Size Working Load Limit Chain Grade Wire Rope Size 6I-2T3SC 3″ 2 Ton Grade 70 5/16″ – 3/8″ 6I-4T4SC 4.5″ 4 Ton Grade 100 3/8″ – 1/2″ th, td { padding-right: 20px; } .product-table-top { display: block; max-width: -moz-fit-content; max-width: fit-content; overflow-x: auto; white-space: nowrap; }