Enjoy the freedom of the 1-touch air threading system on the HUSQVARNA® VIKING® AMBER™ Air S | 400 overlock machine. Its most popular features include:

Air Threading Loopers 
With the HUSQVARNA® VIKING® AMBER™ Air S|400 one-touch air threading overlock, threading your overlock machine loopers is a breeze.

Built-In Needle Threader 
Easily thread both the right and left position needles with the adjustable built-in needle threader.

Differential Feed 
Eliminates stretching of knit fabrics, puckering of lightweight fabrics, and can automatically gather fabric.

LED Lighting 
Illuminates the sewing area for clear visibility to reduce eye strain

Lay-In Tension
Easily place your threads in the tension discs and clearly see that the threads are securely in the tensions

Adjustable Stitch Length, Cutting Width and Presser Foot Pressure
Select best stitch length, fine tune cutting width, and adjust the amount of pressure used on your fabric for smooth seams on all types of fabric.

Extra Presser Foot Height
Easy to fit and sew several layers or heavy fabrics.

4 / 3 / 2 Thread Sewing 
Provides multiple options for decorative and utility overlock sewing.

Stitch Safety Lock 
When the front cover is open, the Stitch Safety Lock engages and the machine will not sew.

15 Stitches
Fast sewing with professional results