The size is clearly engraved on the handle of each hook,and the handles are also color coded. This makes it easy to choose the right hook at a glance without thinking. The brightly colored crochet hook grip isn t just practical, but it s fun too. The crochet hooks ergonomic design makes it fit the hand perfectly. They are easy to grip,and very comfortable to use even for long periods of time.*********** What Makes this Crochet Hook Different?********** This is a premium quality crochet hooks set made from the highest quality aluminum and brightly colored molded ergonomic handles. The whole set comes in a transparent case and all of the crochet hooks are color coded and easy to identify. A sharp crochet hook will make crocheting much easier and more enjoyable. These ergonomic crochet hooks can be used for hours without any discomfort thanks to the hand friendly design.