Stitching 2tread, 3tread, 4tread, 5tred, 6tread. Maximum Sewing Speed 6500 spm Stitch Type 543 Stitch Length 1.5 to 3.6mm Stitch Width 9.8mm (other gauges available) Needle Gauge 4.8mm Differential Ratio 1:1.29 to 1:0.6 Presser Foot Lift 6.5mm Needle System B 27 Lubrication System Automatic You may also be interested in the product(s) below: