The Janome 6234XL let's you make the most of your overlocking time, with professional results. The Mylock 6234XL is unmatched for build quality and power! It has 2 needles and 2, 3 or 4 thread overlock stitching. Threading is a breeze due to color-coded thread guides and a self-threading lower looper. The MyLock 6234XL also lets you quickly switch to rolled hemming without changing the needle plate.