5 Susan Bates Silvalume Crochet Hooks Bamboo Handles 4.5 (7), 5.5 (I9), 6.0 (J10), 6.5 (K10), 8.0 (L11) mm. Hooks measure approximately 6" long with the bamboo handle between 3-3/8-3-1/2" of the total length. Pre-owned, previously used hooks in good condition. See photos for more details.