The Bernette B64 Airlock Serger an overlocker with an air threader to automatically thread the loopers. It s never been so easy to get started. The B64 AIRLOCK has even more to offer: the freearm makes it easy to sew sleeves and cuffs. You will love the large work surface to the right of the needle and the slide-on table. 5 LEDs ensure the working area is brightly lit. The presser foot can be lowered and temporarily raised using the bernette Free Hand System so that your hands remain free to guide the fabric. With 16 different stitches to choose from and a sewing speed of up to 1300 stitches per minute you will finish your project in no time! Features: 16 stitches Automatic air threader for looper threads Freearm Color-coded threading paths Thread tension release when presser foot raised Stitch length adjustable while sewing Accessories under the looper cover Safety switch activated when cover is open Micro Thread Control (mtc) Free Hand System (FHS) including knee lifter Specifications: Dimensions: 16 x 11 x 12 inches Weight: 21 pounds Speed: 1300 stitches/minute Space Right of Needle: 5 inches Included Accessories: Standard presser foot Overlock Screwdriver Oiler Spool net (4x) Spare upper knife (stationary) Spool cap (4x) Spare upper knife (stationary) Spool cap (4x) Brush BERNINA Needle set (ELx705) Needle Threader/inserter Allen Screwdriver (small) Tweezers Upper looper converter (ULC) Spool stabilizer (4x) Cut-offs bin Freearm Cover Deco Thread Guide Threading Wire Warranty: 5 Year Mechanical 2 Year Electrical Warranty and 1 year labor