High Speed Single Needle Lockstitch Machine Model TTC-1550 The Model TTC-1550 Industrial Sewing Machine Is A Kind Of High Speed Single Needles Straight Lock Stitcher Having A Forward / Reverse Feed Lever Mechanism The Machines Are Designed With A Link Motion Take-Up Lever System And A Rotating Hook System And Automatic Lubrication System The Machine Is Excellent In Performance, Beautiful In Appearance And Efficient In Sewing. The Machine Has Solid Stitch With Lower Noise And Vibration. It Is Suitable For Light Weight And Medium-Weight Of Cotton, Linen And Synthetic Fabrics.