1. Only cost you half money if you purchase these individually,package includes 7pcs WIDE ROLLED hem foot(2/8",3/8",4/8",5/8", 6/8",7/8", 8/8");3pcs NARROW ROLLED hem sewing foot(3mm,4mm,6mm);bias tape binder foot and adjustable guide foot,12PCS in one,make your sewing projects more sophisticated and improve your efficiency. 2. The shape of the rolls in these Brother hem foot make it very easy to fold the hem and they do grab the fabric very well so it isn't a pain to keep it lined up,use these narrow rolled hem foot on napkins, ruffles, handkerchiefs, lingerie,when we hem some thicker fabrics or some more normal hems,instead of the narrow singer hemming foot,we have wide hemming foot just meets all your projects in one pack. 3. The binder foot is used to apply pre-folded bias binding tape or bias tape you have cut yourself to the edge of fabric in one easy step. It is equipped with a small funnel to fold and guide the binding over the fabric edge before it reaches the needle and can be used with either zigzag or decorative stitches as well as straight stitch. 4. The Adjustable Guide Foot has a "ruler" with an adjustable guide designed so you can place the guide anywhere you want. Place the guide along an already stitched seam or against any edge to give you beautiful topstitching. Use both straight and decorative stitches.