RIO "LIGHT SALTWATER SHOCK" 10-FOOT TAPERED LEADERS feature a built-in, hand-tied Fluorocarbon Shock Tippet. Perfect for snook, jacks, ladyfish, mackerel and the rest of the rough mouthed, toothy critters. All are 16-lb test with SHOCK SIZES: (15-lb), (25-lb), (40-lb)