Skacel's Addi Click Crochet Hook Set includes 8 hook sizes and uses Addi Click Cords for a whole new ease in picking up stitches, binding off or working Tunisian crochet. Or try a crochet hook at one end and a knitting needle at the other to create your own unique stitches. The possibilities are endless! Each set includes hook sizes: 3.75mm, 4.0mm, 4.5mm, 5.0mm, 6.0mm, 7.0 mm, 8.0mm, and 9.0mm. Please note: This set does not include the Addi Click Cords, but it does include a nice case!