Boye I Taught Myself To Crochet is a step by step guide to learning how to crochet. Kit includes a book with instructions for 15 projects, 5 crochet hooks in US sizes G, H, I, K, and L, two 2-3/4" tapestry yarn needles, a tape measure, a knit tally, and split ring stitch markers. Kit works best with 8 or 12 ply yarns.