Mattress Serger Sewing Machine FX-B3
http://www.foxsew.com/mattress-sewing-machine/412.html
Details: With this machine, mattress quilt and hand-pulling fabric maybe over-locked and sew up together simultaneously. It has the feature of double air cylinder, five threads, adjustable presser foot lift, and stepless speed regulation. It is suitable for sewing a variety of texture fabric.
Specifications:
Model NO.FX-B1FX-B2FX-B3FX-B4Max. Sewing Thickness40mm50mm70mm80mmSewing Width20mm, 25 mm25 mmPresser foot lift15mm16mmNeedle Gauge0-6 mm (Adjustable)4.5-6mm(adjustable)Max Sewing Speed5000 r.p.mRated Pressure0.5-0.8 MPASewing Head TypeKingtexJUKIPEGASUSUpper Feed BeltYESNONeedle bar TypeSingle-barDouble-barSingle-barDouble-barMotor Power600W750W