Juki MO-644D 2-needle, 2/3/4 Thread Serger w/ Exclusive Starter Series Bonus Package! STANDARD SPECS: * Sewing Speed: Max 1,500 spm * Number of Threads: 2/3/4 Threads * Needle: Household Machine Size 11 or 14 * Overlocking Width: Left Needle: 8mm / Right Needle: 4mm * Rolled Hem: 2mm * Stitch Length: 1 ?" 4mm (Standard: 2.5mm) / Rolled Hem: 1.0 ?" 1.5mm * Differential Feed: 0.07 : 2.0 Ratio * Tension: Industrial Type Dial / 1 Rotation * Built-In Rolled Hemming: Right (Narrow) or Left (Wide) Needle / 2 or 3 Thread * Flat Lock: Right or Left Needle, 2 or 3 Thread * Universal Presser Foot: Tape, Ribbon, Narrow Elastic Application * Presser Foot Lift: 5mm * Dimensions: 270mm(w) x 340mm(d) x 295mm(H) * Weight : 7.0 kg(15 lbs.) * Juki Limited Warranty: 2 years electrical, 5 years mechanical Included Accessories: * Presser foot * Foot control & power cord * Vinyl cover * Tweezers * Screwdriver * Spool caps * Looper threader * Oiler * Brush & needle inserter * Thread nets * Needle pack * Accessory pouch * Light bulb * Instruction manual