Feature: Only suitable for household electric sewing machines putting on the table and old-fashioned foot sewing machines; not suitable for industrial sewing machines placed directly on the ground. 3MM flat seam crimping foot: Crimping feet: The crimping foot can be used to easily sew the edges of the fabric in a three-folding manner. It is suitable for all kinds of fabrics. It is crimped with flat seams and folded like a folded paper. Applicable to some thin fabrics when the seaming effect is not good to carry out curling, beautiful and practical to help achieve the professional effect of curling can be rolled up the edge of the fabric of a small tri-fold edge, and use the center straight stitch stitching A shell-like curling effect on light and thin fabrics, or a 3mm wide flat crimp on a thin fabric Fanghua 505A/508 can also be used, need to replace the bracket when using the old home machine Crimping foot - flat seam crimping 6 mm wide: Flat seam crimping, folded like a folded paper, folded into a three fold edge Applicable to some thin fabrics when the seaming effect is not good to curl processing, beautiful and practical Note: The width of the hemming is determined by the width of the groove in the ground and the reel. The pressure foot is a true 6 mm width. Fitting name: Presser foot Application: sewing machine Specifications: 3mm narrow curling presser foot, 3mm roll lace presser foot, 6mm wide curling presser foot, 6mm roll lace presser foot, original 4mm wide curling presser foot, original 6mm wide curling presser foot Package List: 1 x Presser Foot