Marine Grade Stainless steel thimble with high grade corrosion resistance and durability Resist saltwater, gas, oil, abrasion 3/8 Inch 100FT Nylon Double Braided Anchor Line Nylon is The Best Materail For Anchor Line, is Ultra Strong With a Higher Tensile Strength Than Other Materials. For Boats Up to 27'. Breaking stength: 4035 lb MARINE SYSTEM Made 3/8 Inch 100FT 150FT Gold/White Nylon Anchor Line Double Braided Anchor Rope/Line with Thimble (3/8" x 100')