S7-B household special coating high and low presser foot set + high foot adapter

The special coating greatly reduces the friction with the fabric and increases the smoothness during sewing.
★S7-B high and low presser foot (special coating)
Specifications: 1.0mm, 2.0mm, 3.0mm, 5.0mm, 7.0mm five sizes

✍️The special coating is...?
✔SED Pigeon’s Nest is exclusively developed
✔Suitable for sewing imitation leather, leather, waterproof cloth and other fabrics
✔Significantly reduce the friction between the presser foot and the fabric
✔Sewing thin fabrics is not easy to wrinkle or cause scratches
✔Sewing smoothly without applying oil to avoid fabric stains