Are you looking for a sling with a working load limit much greater than a round sling of the same size and that is much more durable? The RimSling LD is what you're looking for. This is a high quality 1/2" synthetic rope available in either 4' or 6' with 6" loops on each end. It features a cordura protective sleeve over the entire sling. This model features a special braid guard at the center of the sling for extended life. Ultimate load is 31,300 lbs and the diameter at thickest points are 1 inch!! At 5:1 ratio, this sling is rated at: 6,200 lbs WLL Vertical 5,008 lbs WLL Choker 12,520 lbs WLL Basket