Welcome to the Cornerstone Products Online! We are so excited you have decided to learn more about our products and what we have to offer. There are 9 sizes of Crochet Hooks ranging from 2.5mm to 6.5mm, as well as a 3 pack battery replacement set. We also offer a Seam Ripper, a Snag Fixer and a Needle Threader. Each one having a light as well!