Riverbyland Multi-color Crochet Hooks Knitting For Beginners Set Of 16 Total length: Approx.15cm Size: 1.0mm, 1.25mm, 1.5mm, 1.75mm, 2.0mm, 2.25mm, 2.5mm, 2.75mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm. Includes: 16 multi-color crochet hooks and one pink PU case. Material: Soft plastic handle and aluminum hook. Advantage: This hook set employs durable aluminum that's polished for extra smoothness. The ergonomic shape is very comfortable to hold.