Make difficult jobs a breeze! Easily create the perfect professional sewing craft! After loosening the , you can move left and right to adjust the crimping width. Suitable for most common industrial sewing machines for Singer , for , for Gemsy, for , for , for , for Singer, for , for Tacsew, for , etc. mainly used for rolling hems, clothes, sheets, shirts, curtains, etc. Products of different sizes can be made without replacing crimping feet of different sizes, which is more practical.