Main datas: Single cylinder Cylinder Diameter:3.5 inches Needle:84 needle to 220needle AC servo motor Speed:350 RPM The production for socks: For men's sock :240-250 pairs/ 24 hours For women's sock:290-300 pairs/ 24hours For children's sock :320-330 pairs/ 24hours Features: 1.One main feeder plus five patten feeders 2.Possibility of 6 color in one course and 16 color in one sock 3.Drumless,fully electronic control system. 4.Exclusive inner cam block system for high speed. 5.Stepping moter for elastic yam and stitch cam control. 6.Elector-pneumatic yarn finger and cam control 7.Patten Depth up to 1,500 courses 8.Multiple stop motion sensors in case of error. 9.Automatic re-cycling oiler,counter,and reset function. 10.Equipped with USB for easier data reading and storage. 11.Available in 220/380/415V,3phase 50/60Hz 12.Fully A.C.Servo moter adopted. 13.Minimized and easy operating function. 14.Battery back-up to protect stored program. 15.Internal UPS can support continuous knitting. 16.Fraphic type LCD adopted.