Everything needed is included. Anchor, Lead Chain and Shackles are all hat dipped galvanized. Anchor lead chain resists chafing on rough bottom. Twisted nylon anchor rope is: Highly resistant to abrasion, oil, grease, and marine growth. Can be stowed wet without damage to the fibers. For Boats: 16' to 19' Included in package: #7 Slip-Ring Anchor, 3/8" x 50' Twisted Nylon Anchor Rope, 1/4" x4' Anchor Lead Chain with oversized end links for easy attachment and Two 5/16" Screw Pin Anchor Shackles. For Boats: 20' to 24' Included in package: #10 Slip-Ring Anchor, 3/8" x 100' Twisted Nylon Anchor Rope, 1/4" x4' Anchor Lead Chain with oversized end links for easy attachment and Two 5/16" Screw Pin Anchor Shackles. For Boats: 25' to 28' Included in package: #13 Slip-Ring Anchor, 3/8" x 100' Twisted Nylon Anchor Rope, 1/4" x4' Anchor Lead Chain with oversized end links for easy attachment and Two 5/16" Screw Pin Anchor Shackles.