Sealing Oil Pan, Oil free
Oil is stored in the sealed pan which is integrated into the machine head, effectively prevents oil leakage and oil staining, realize clean sewing for your valuable products.
Scientific Design, for Kinds of Fabrics
Optimized thread take-up and feeding mechanism enlarge the sewing range, suitable for various kinds of fabrics like jeans, yarn and lace.
Oil Feeding Reminder
New function for oil level reminding, makes easy and fast to adding oil.
Bird's Nest Prevention Device
Makes the product free from nest after start sewing, ensure the thread tear as shorter as 3mm. (only for model A4S-N)
Semi Dry Head, Clean Sewing
DLC needle bar and bearing for thread take-up, not only durable but also makes the machine head free from oil staining by using special grease.(only for model A4S-W)