... , 6G, 7G, 9G, 10G,12G, 13G, 14G 15G 16GKnitting width52 inches, 60 inchesRollaYESTake down cloth rollerYESSystemSingle carriage with single systemMAX weaving speed ... different.Racking:controlled by servo motor.can move in two inches.reck up to 1/4.1/2needle in any place ...