DocumentFast & Free Shipping to the US Low Prices Responsive Seller Great Customer Service SpecificationsAdjustable cutting width4 to 7 mmAdjustable stitch lengthbasting to satinDifferential feedButtonholes8 one-step buttonholesFamily Sew - 3/ 4 Thread Overlock - FS320FeaturesDifferential Feed: Eliminates puckers and waves on any fabric from lightweight wovens to heavy knits.2-Thread Serger: Sew beautiful edges on lightweight fabrics and lingerie.3-Thread Serger: Sew rolled edges, decorative stitching and specialty techniques on any fabric weight.4-Thread Serger: Sew a secure safety stitch with ease.Easy Accessible Threading: Front opens completely to reveal loopers and a handy threading diagram that shows you the way through color-coded, lay-in threading channels.Built-in Needle Cushion Keeping track of needles is easy when sewing.Built-in Accessory Compartment: Needles and more are at your fingertips.Recessed Cutter: Safe and out of the way for better visibility and fabric maneuverability.Swing-Away Cutter: Clean your machine easily and safely.Seam Guide: Keeps your fabric on the straight and narrow for perfect seams.Adjustable Fine-tune Cutting Width: Serge at any width from 4 to 7.Automatic Tension Release: Simply lift presser foot to release threads. Speeds threading and fabric removal.Separate and Labeled Needle Screws: Easy to identify and change.Labeled and Numbered Guides: No guesswork for adjustments. Normal tensions are all marked.Numbered Presser Foot Pressure Dial: Adjust pressure according to fabric type and weight for perfect seams.Instant Rolled Edge: No foot or plate to change.Adjustable Stitch Length: Serge at any length from picot and satin edge to 5.Specialty Technique Guides: Openings in the snap-on guide and 2 in the presser foot for overcasting ribbon and wire.Handy Trim Catcher: Attaches easily and keeps sewing area neat.Snap-On Presser Feet: Changing to optional accessory feet is a snap.Electronic Speed Control: Full piercing power with stitch by stitch control.Built-in Handle: Traveling sewers can carry with ease.Built-in Light Day or night: easy to see, easy to serge.Just like your sewing machine: Uses standard sewing machine needles and the handwheel turns toward you.