Susan Bates Silvalume lightweight aluminum Double Point Sock Needle Set is designed with sock knitters in mind. Each package contains 7", color-coded needles, five of each size in U.S. 000 (1.5mm), U.S. 00 (1.75mm), U.S. 0 (2mm) and U.S. 1 (2.25mm). They are made of lightweight aluminum with a velvety smooth finish.