Features: 1.STEEL MATERIAL: Button hole attachment is made of premium steel material, which makes it strong and durable with high strength and long service life. 2.INCREASE EFFICIENCY: Sewing buttonhole attachment is a good sewing machine accessory to make your work more efficient. 3.PERFECT REPLACEMENT: Sewing machine button hole attachment completely replaces the old or broken one and fits most sewing machines. 4.EASY TO INSTALL: Industrial sewing machine button hole attachment is easy to install, easy to use, precise manufacturing, comfortable to touch. 5.COMPACT AND PORTABLE: Buttonhole attachment is small in size and light in weight, will not take up too much space, easy to carry and use. specification:Item Type: Button Hole Attachment Product : 1 Set Product Material: Steel Product Use: Household Scope of Application: Most Scenes Buttonhole Attachment Size: Approx. 16x5cm / 6.3x2.0in Accessory Size: Approx. 8x7.5cm / 3.1x3.0in PackageList:1 x ButtonHoleAttachment 1 x English Manual 1 x Accessory Note1. The buttonhole attachment should be used with a suitable sewing machine, this buttonhole attachment is suitable for household multifunctional sewing machines. 2. All data are measured manually, and there are certain errors in the measurement results.