Model#: BLES4 No tension adjustments 3 bright LED lights Full featured differential feed Your serging is about to receive a new level of critical Acclaim! The Baby Lock Acclaim serger features RevolutionAir™ Threading that threads the loopers with just the touch of a button and then threads the needles with the touch of another. You’ll also serge tension-free with the Automatic Thread Delivery™ System (ATD) and the exclusive Wave Stitch will expand your creative options even further — making every one of your creations stand out like no other. The Baby Lock Acclaim serger's top features include: Easy push button looper and needle threading Wider workspace - 2" to the right of the needle No tension adjustments 4/3/2 thread serging 3 bright LED lights Full featured differential feed Exclusive Wave Stitch Specifications: Presser Foot Type : Snap-OnTwo-Thread Overlock Conversion : 1Maximum Number of Threads : 4Accessory Storage : 1Tension System : Automatic Thread DeliveryFeeding System Type : DifferentialNumber of Feet Included : 1Thread Cutter Type : Built-InMaximum Stitch Width : 7.5mmMaximum Stitch Length : 4mmNumber of Needles : 2Lighting : 3 LEDsRolled Hem : 1Machine Only Weight : 24.7 lbsNeedle Threader Type : RevolutionAirNeedle to Right of Machine Distance : 2"Machine Only Height : 13-7/8"Machine Only Width : 17-1/8"Machine Only Depth : 12-3/4”Sewing Bed Width : 2”