PREMIER YARNS-Deborah Norville: Single Ended Crochet Hook. Deborah Norville needles have you covered with a full range of knitting needle and crochet hook sizes and styles. Beautifully dyed wood surface warms up quickly in your hands. The polished wood surface and smooth tapered points glide effortlessly through any type of yarn. This package contains one crochet hook. Available in a variety of sizes, each sold separately. Imported.