Boye Ergonomic Aluminum Crochet Hook, Crochet hooks designed especially for crocheters who have carpel tunnel, Arthritis or metal allergies. This package contains one aluminum crochet hook with a comfortable grip. Comes in a variety of sizes. Each sold separately Boye Ergonomic Aluminum Crochet Hook was designed to ease the strain on the hand for those that have difficulty crocheting, whether it is a medical issue or simply holding the crochet hooks. Are ergonomic crochet hooks worth it? Are ergonomic crochet hooks better? For most people, the answer is a resounding YES! They find an ergonomic hook far more comfortable and many people have reported reduced pain when crocheting while using an ergonomic hook.