This compact set offers convenience, great value, and an extensive range of crochet possibilities. Hooks can be used for standard crochet, or Tunisian crochet. This set includes: 12 colorful hooks, one each in sizes F5/3.75mm to 19/15mm 7 red cords: 2 each 3” and 5" (8 and 13cm) 1 each 9", 12" and 16" (23, 30, 41 cm) Four end buttons to turn any cord into a Tunisian/Afghan hook or stitch holder. Two extenders for cord-to-cord connections. Hard-shelled case that holds everything perfectly in place! Case dimensions (closed): 7” x 8 ½” x 1” (18 x 21 x 2.5cm) **Additional hook in size US F/3.75 mm to use for double-ended crochet. Hooks are 4 5/8” long. To use as a standard crochet hook, attach a 3” cord to extend the hook length.