Material: Set of aluminum hooks with rubber TPR handle, soft, non-slip. Each hook is 13 cm long; different sizes: 2.5, 3, 3.5, 4, 4.5, 5, 5.5 and 6 mm. 8 color marking hook set, colorful, easy to distinguish. Crochet kit with easy and comfortable to use ergonomic crochet hooks can reduce or eliminate hand, wrist or finger pain. The needles in this crochet kit are ideal for beginners, because the most common dimensions are included, you can easily get started with a few beginner projects. Set of hooks: the smooth surface also helps to find an even rhythm of work.