Suitable for simultaneous shirring of waist skirt-ruffling one-piece dress. Shirring proportion perfect stitching. Also more suitable for children’s wear bed-used stitching sewn pattern can be chosen different Cam. Specification: No. of Needles: 33 No. of Threads:66 Needle Gauge:3/16 Pressure Foot Lift: 12mm Needle: DV x 57 #14-#18 Speed: 1500spm