These crochet hooks are made of aluminum alloy material, durable and lasting use.Each crochet has a marked size, good to help you easy to find which size you need.Plastic stitch markers can hook into the knitted or crocheted stitches quickly and will not slip out easily.The stitch marker is perfect to use for counting rows or marking center.With a storage holder case, convenient to store and carry the crochet hooks and knitting accessories.Diverse sizes are specialized for weaving and knitting, meeting your kinds of demands. Specification: Material: AluminumSize: Colorful Handle Crochet Hooks (2mm, 2.5mm, 3mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm)Aluminum Alloy Crochet Hooks (2 mm / 2.5 mm / 3 mm / 3.5 mm / 4 mm / 4.5 mm / 5 mm / 5.5 mm / 6 mm / 6.5 mm / 7 mm / 8 mm ) Package Included:9 x Colorful Handle Crochet Hooks 12 x Aluminum Alloy Crochet Hooks 10 x Plastic Ring Marker20 x Mark buckle6 x Plastic Yarn Needles4 x Needles Point Protectors3 x Plastic Bow Shape Needles2 x Metal pin2 x Row Counter1 x Measure Ruler1 x Tape Measure1 x Scissors1 x Case