Cylinder Bed Compound Feed (Auto-Lubrication) Sewing Machine As the diameter of linder bed is only 500mm,the machine is widely applied for sewing the curvatures and corners of leather, canvas, jeans and oxford products. multiple layers of ,materials up to 8mm can be stitched smoothly. as the combination of top and bottom feed or unison feed,the slippage between layers can be avoided, with pleasing and uniform stitches and superior sewing quality the use of large hook reduces the frequency of babbin change. Model NO.:DK-8B Certification:CE, ISO Color:White Max Sewing Speed:2200rmp Stitch Length:7mm Buttonholing Machine Type:Round Buttonholing Machine Automatic Grade:Automatic HS Code:8452290000 Condition:New Inside foot lift:8.5/13mm Needle Use:DP×17, 18#-23# Working space:258x110 COMPANY INTRODUCTION CERTIFICATION DISPLAY wholesale LOCKSTITCH SEWING MACHINE website:http://www.superstarmachinery.com/gn1-1/...sewing-machine/