Aluminum Crochet Hook Set (14pcs 2.0mm-10.0mm) The crochet hooks with diverse size are specialized for weaving and knitting, which is portable and easy to use Aluminum alloy material made, long time use Material: Aluminum alloy Length: Approx.14.5cm Crochet specifications: 2.0mm,2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm,6.0mm, 6.5mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm