Features: 1.The bias binder is a sewing tool that can help create ribbon?like fabrics and hem and sew fabrics. 2.The 4?fold right angle bias binder is used to secure the fabric, create indentations to bind and sew curved edges. 3.Bias binder is suitable for hemming of hem, cuff, neckline, etc, suitable for most industrial lockstitch sewing machines and household sewing machines. 4.The kit contains 2 presser feet, which makes it easy to apply pressure on the sewing fabric and complete the operation more quickly. 5.The size of the right angle bias binder is accurate, the imported cloth strip width is 30mm, the outlet forming width is 8mm, and the opening height is 4mm. specification:Item Type: Bias Binder Material: Iron Uses: Industrial : 1 set Import Cloth Strip Width: Approx. 30mm / 1.2in Export Forming Width: Approx. 8mm / 0.3in Opening Height: Approx. 4mm / 0.2in Application: Most industrial sewing machines PackageList:1 x Bias Binder 2 x Presser Feet