... 52" Gauge5G, 7G, 9G, 12G, 14GKnitting speedControlled by frenquency conversion to adjust speed, 6 grade speed, Max. Speed: 1.2m/sec ... be done through front and back, and separate needle to knitKnitting needle typeUpper lower foot transfer needle and upper lower ... such as cotton, flax, silk, wooden, polyester fiber, blending fabric to realize auto knit of the woolen sweater and clothing appendix ...