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 8-1/2x3-1/2x1/2in vinyl case is perfect to store your hooks safely. This set includes sizes US L11; M13; N15 and P16 (8mm; 9mm; 10mm and 11.5mm). Imported.