White Polypropylene Hollow Braid Anchor Line with Snap Hook by Seachoice. Hollow braided polypropylene. Rot proof. Great for small boats and mushroom anchors. Zinc galvanized spring hook. Specially designed for a marine application, this product is developed and manufactured with boat owners in mind. It is made from high-grade materials using innovative, energy-efficient technologies to ensure premium quality and reliability, while keeping the price as low as possible.