Model : JM-6150 - High Speed Lockstitch Sewing Machine Novel outline and rational stress structure produce a top quality stitch with no noise and shake as even sewing at high speed. Link-driven feed mechanism minimizes stitch length difference occurring when sewing between at high speed and at low speed or between forward feeding and backward feeding. To set up Cloth Guide Needle Plate, gradated Thread Tension Nut and Finger Guard. Oil systems is made of aluminum alloy ,which is durable and reliable. Specification : Max. Sewing Speed : 5000 S.P.M Max. Stitch Length : 5 Mm Needle System : Dp × 14