1. Five different models 2. 56-220 needles, 6 ... heel, small heel,180 degree against sock mouth, two colors for sock heels/sock toes, 3D socks5. taking the double ... shovel-needle technology, when knitting the heel and toe, the ... 220 N3Copy Double Cylinder Single Ribtop Socks56-220 N4Looping five-toes socks56-168 N5Ankle socks, 3D socks168-200 ...