Schmetz EL x 705 80/12
Designed for use in electronic multi-purpose sergers that do overlock stitches. Not suitable for use in home sewing machines or embroidery machines. Machine should specify ELx705.
How to choose machine needles:
Choose your needle TYPE based on your fabric type; woven, knit, silk, denim, leather, etc.
Choose your needle SIZE based on your fabric weight; a smaller number for finer fabrics and a larger number for heavier fabrics.
The standard size shank will fit into nearly every machine.