What is the purpose of having different sizes of hooks for

Understanding Hook Sizes

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Mdoker Size K/10.5(6.5mm) Crochet Hook,Extra Long Crochet Hooks for Arthritic Hands,Ergonomic Grip Soft Handles for Beginners and Experiecced Crochet

Do you need one or two crochet hooks? - Quora

Gantsilyo Guru: Yarn Tip 2: Hook Size Matters

What are Crochet Hooks Made Of?

What is the purpose of having different sizes of hooks for crocheting? - Quora

What do you look for in a crochet hook? - Quora

Will a larger crochet hook size matter than what is recommended for the yarn used? - Quora

Are Indian crochet hook sizes different from the US ones? - Quora