Sterling Rope 1 in Tubular Mil-Spec Web Wheel 30 ft -The military depends on Mil-Spec webbing for its superior strength and abrasion-resistance, so you know you can rely on the Sterling Mil Spec Web Wheel to make secure slings and anchor systems while you're climbing. This wheel comes with 30 feet of 1-inch-thick Mil-Spec webbing so you can make new slings and anchors for a long time. It's particularly great for wrapping around big boulders to make anchors. 1-inch Mil-Spec webbing30-foot spoolStrength: Straight pull 4000 lbs / Sewn loop 6129 lbs