della Q Crochet Roll for Crochet Hooks (Sizes A to N); 004 Red Stripes 168-2-004 Fourteen lettered/numbered pockets, two non-lettered/unnumbered Holds hook sizes US B, C, D, E F, G, H, I, J, K, L, M, N (no US equivalent for 4.5 mm) Measures: Closed: 7.25" h. Open: 18.5 w x 10 h. Pocket depth of 4 Made from Taffeta Silk and Poly Silk della Q offers a Lifetime Guarantee from any manufacturer's defects