Pack of 10 ORGAN ELX705 SES Light Ball Point Home Serger & CoverStitch Machine Needles. These ELX705 needles are made specifically for home serger & cover stitching. It has 2 grooves, a slightly longer scarf and a light ball point. If your serger calls for a 15X1 needle and is breaking threads, the 2nd groove on this needle may solve your problem. Perfect for multi-purpose sergers that do the coverstitching, overlock and safety stitches. If your serger takes a flat shank needles, then these needles will fit your serger. Needle System : ELX705-SES Light Ball Point (Same as SY2922 & 2022) Needle Size : 14 (Metric size 90) One side of the shank on these needles is flat and the other is round. These are standard home sewing machine needles with a flat shank for most home sewing machines and sergers including : Babylock, Bernina, Bernette, Brother, Elna, Happylock, Husqvarna, Janome, Juki, Mammylock, Melco, Necchi, New Home, Pfaff, Poem, Riccar, Simplicity, Singer, Viking, White and many more.