![Are vintage crochet hooks sized differently? I have the original packaging from the 60's or 70's. It's "hero" brand & says size "i" but it's too small to be 5mm. Size 6mm Are vintage crochet hooks sized differently? I have the original packaging from the 60's or 70's. It's "hero" brand & says size "i" but it's too small to be 5mm. Size 6mm](https://i.redd.it/are-vintage-crochet-hooks-sized-differently-i-have-the-v0-g504qx7tz8ya1.jpg?width=3024&format=pjpg&auto=webp&s=8563cd00c4c94a1149375845a37c3b73acab7457)
Are vintage crochet hooks sized differently? I have the original packaging from the 60's or 70's. It's "hero" brand & says size "i" but it's too small to be 5mm. Size 6mm
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BATES, Clipson, Susan Bates, Steelite Steel, Metal Clip, Inline Hook, Made in USA, Crochet Hook, Single Hook, Steel Sizes 00 Thru 14 - Etsy
![Antique Palais Royal Crochet Hook, Tambour, Ivory and 18k Gold Fitting – Antiques & Uncommon Treasure Antique Palais Royal Crochet Hook, Tambour, Ivory and 18k Gold Fitting – Antiques & Uncommon Treasure](https://antiques-uncommon-treasure.com/cdn/shop/products/TAMBORS_ff8d3716-bcb2-43e2-ad93-c7ea8ab39871.jpg?v=1581980269)
Antique Palais Royal Crochet Hook, Tambour, Ivory and 18k Gold Fitting – Antiques & Uncommon Treasure
![Steel Crochet Hook by Boye, Walco, L'oreal, Bates, Size 10, 3, 2, 1, Vintage 1950s, Earlier Home Craft Tools, Hand Made Lace - Etsy Steel Crochet Hook by Boye, Walco, L'oreal, Bates, Size 10, 3, 2, 1, Vintage 1950s, Earlier Home Craft Tools, Hand Made Lace - Etsy](https://i.etsystatic.com/7286724/r/il/852f07/796109878/il_570xN.796109878_7s2n.jpg)