Getting started has never been easier — the bernette b64 Airlock serger automatically threads the loopers with a blast of air, so you can spend less time setting up and more time sewing. With 16 stitch patterns, 2/3/4-thread overlock capability, Micro Thread Control (MTC) for precise tension, a Free Hand System with knee lifter, and speeds up to 1,300 SPM, the b64 delivers professional overlock results on any fabric. The free arm, large 5" (130mm) workspace, and included slide-on table make it comfortable for projects of any size.