TOOGOO(R) 6Pcs Golden Aluminum Double End Crochet Hook 2.0 - 7.0mm Double ended crochet hook used in knitting hat, sweater, shoes and other knitted attire Easy grip handle leads you right holding position and makes you crochet smoothly Size: 2mm, 3mm, 4mm, 5mm, 6mm, 7mm Overall Length: Approx. 13 - 13.6cm / 5.1 - 5.4 inch Material: Aluminum