Heavy Duty 990 LB 450+ KG test rated Matte Black 100 percent Stainless Steel Crane Barrel Swivels high quality Heavy Duty. Great for marlin tuna dorado lures to keep your line from twisting while trolling for the big ones. Can be used on boat shock cords, trot lines or cod lines outriggers and multiple other uses. Length 1 1/2 inches inside eye 1/4 inch quantity 25 pcs. Tight lines lay ahead for anglers using these Lucky Joes swivels.