Binder Attachment for Pre-Folded Bias Tape #87 is perfect for creating clean, professional edge finishes with pre-folded bias tape, adding a polished touch to garments, home décor, and quilts. The built-in bias-tape feeder ensures smooth handling and even edges throughout your project. Available in three width options—13 mm (1/2″), 20 mm (3/4″), and 25 mm (1″)—this attachment adapts to various tape sizes, resulting in final bound edges of 6 mm, 9.5 mm, and 12 mm, respectively.