... Terry Sock Machine, 3.75'' 2. Korean Cylinder 3. High Speed 4. Easy Operation 5. Low cost in maintenance, Good ... jacquard, double-color socks heel, big socks heel,multi-layer rid cuff, left & right pattern socks, sports socks,trouser-socks, cuff and head stripe ... controlled by computer(drumless)4. Improved internal Cams maintain high running speed5. Stepper motor controls the adjustment of tension ...