Rico Design Crochet Hooks Set contains 3 crochet hook in sizes 3.00mm, 3.50mm and 4.00mm. The hooks have tapered aluminium tips and their easy to grip shape prevents hands from tiring. These crochet hooks are a selection of the most popular sizes, great for using with fingering, sport and DK-weight yarns, they are also ideal for crocheting Rico's Ricorumi characters.