PONY Set of 2 Largest Crochet Hook Sizes: 15mm & 20mm Chunky Yarn Super Thick Yarn/Tricot/Recycled Yarn, Rag Rug - Gray Plastic Hooks This Set of the most two large crochet hooks made of high quality gray plastic produced by "PONY" The set is designed for knitters that crochet with very thick yan and extra thick yarn, as tricot yarn or recycled yarn. Meets all the requirements of varied sizes of crochet extra large hooks. Comfortable hooks, light hooks - especially in making rugs and other bulky works