Bernette b68 Airlock 2/3/4/5 Thread Serger Machine with Overlock, Seaming, Cover Stitch, Chain Stitch, and Combo Stitches
Micro Thread Control (mtc)
The Micro Thread Control (mtc) saves you significant time and effort while ensuring consistent high-quality stitches, since you need only set thread tension once - even if you alter the cutting width and fabric thickness!