Product Name: Computerized High Speed Overlock Machine Model NO.: 6900D Head Number: Single Thread Number: 3/4/5 Threads Applicable Thickness: Thick Material Application Place: Factory Automatic Grade: Automatic Certification: SGS, CE Condition: New Needle: Dcx27 11# Number of Neddle: 2 Number of Thread: 3/4/5 Max. Sewing Speed: 7500rpm Length of Stitch: 5-7mm Width of Stitch: 3.2mm Height of Press Lift: 7mm Classification: Sewing Machine Type: Garment Over-Lock Stitch: 3/4/5 Threads Trademark: FIT Transport Package: Carton Specification: CE Origin: Zhejiang China HS Code: 84522900 Product Description warrantydlivery timeone yearwithin 10 daysProducts describtiondirect drive high speed overlock sewing machine(u can add auto trimming and presser-foot)1.with wiring fuction,multi sewing of fixed length seam fuction.loose line function.soft start function.external electric eye sensor.2.auto cutting,fixed length gap trigger,auto air-intake,manual tangent switch and manual air-intake switch.3.auto presser foot lifting,befire the cutting and after the cutting etc.4.to sovel the waste materail are in the front cover after cutter to cloth