Product Name: Double Needle Lockstitch Sewing Machine Dk6842 Model NO.: DK6842 Condition: New Classification: Sewing Machine Type: Garment Automatic Grade: Semiautomatic Product Description DK6842/DK6845 , This machine adopts two straight needles , vertical-axis roating hook with selflu bricating feature for catching thread loops and sliding cam take-up to produce two lines of double lockstitch .The needle bar can be engaged and disengaged mechanically and the arm shaft and hook shaft are supported by ball bearings .It is recommended for stitching overalls , uniforms , jeans and decorative sewing on bags .