GYKOZY Multifunctional Overlock Sewing Machine Electric Desktop Overlock Sewing Machine Four-thread Three-thread Overlock Machine Easy To Use

Thread tension,adjustment button,Four surfaces thread tension,adjustment buttons, usually set between 3 and 5 for sewing situations,The larger the number, the greater the thread tension, and the tighter the sewing effect.

Differential feeding adjustment rod,By selecting the adjustment lever on the right side of the machine Adjust according to your needs.

Color threading guide diagram,Colorful threading guide map, easy to get started and save threading time.

Overlay density adjustment button,Located above the right hand wheel (1-4mm),Adjust the length of the sparse and dense line spacing of the stitch.

Wrap seam width adjustment button,Use this button to adjust the width of the edge wrapping stitch, The width range of the line trace is 3.5-5.7mm.