Sewn Hemmer Feet: This sewing machine hem accessory is suitable for both households and businesses. Allow for more accurate seams without the need for folding or ironing. When sewing, we provide you with a clean and professional hem. Multiple sizes available: The stitched Hemmer feet come in four different sizes. You can choose specific sizes to sew according to your own needs. Easy to install: You only need to loosen the needle plate screw on the sewing machine, and then install the rolling Hemmer foot for quick use. And we are equipped with a screwdriver, so you don't need to purchase any other tools to use it! material: The hem of the sewing machine is made of metal material. Smooth , safe and , not easily worn, you can confidently use it. The Hemmer foot is sewn with a rolling Hemmer shape on the side, suitable for fabrics. It can easily fold the edges of the fabric, making it easier to fold outward! Please note:You need to that there is a hole in the needle plate of the sewing machine before using this SE Colour:Silver Material:Metal Size:3/5/7/9mm Package Contents: 4 * Hemmer 2 * screw 1 * screwdriver(Style is random, no specification is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.