Amazon.com: Mdoker Extra Long Crochet Hooks,Large Size M/N/13(9.0mm) Crochet Needles,Ergonomic Grip Soft Handles for Handmade DIY Crocheting,Perfect for Arthritic Hands
Crochet Hook Sizes and Abbreviations (US and UK Terminology)
Crochet Hook, 9mm (Size N/13) – The Neon Tea Party