SUSAN BATES-Red Heart Crystallites Crochet Hook Set. These hooks are beautifully colored translucent plastic crochet hooks. Each fun color is a size so you can find the size you need at a glance. Our famous in line head helps reduce wrist motion for fatigue free crocheting and helps you maintain a more consistent gauge. The 7×3-1/2×1/4in vinyl case is perfect to store your hooks safely. This set includes sizes US G6; H8; I9; J10 and K10.5 (4mm; 5mm; 5.5mm; 6mm and 6.5mm). Imported.