This Juki Double Fold Bias Binder enables machines to transform 30mm (13/16") wide knit tape into around 8mm (5/16") wide tape for edging material. Additionally, this binder allows machines to attach knit tapes using a two-thread chainstitch. Moreover, it can be used to fold knit tapes for binding garment edges like necklines, or to create straps like camisoles' shoulder straps. Compatible Machines: MCS-1500, MCS-1600, MCS-1700QVP.