The Janome MyLock 744D has 2 needles and 2, 3 or 4 thread stitching capabilities. It's equipped with a differential feed (adjustable from .05 to 2.25) and an adjustable cutting width. This provides increased control for handling most types of fabrics and is essential for creative overlocking techniques.The threading of this Janome Overlock sewing machine is so easy, even your 8 year old can do it. and if you break say number 3 thread, there's no need to undo all the other threads and start from 1, but just rewind the broken one only. Start with a good quality thread and you won't look back and save money in the long run. , , What's in the box? , Janome Presser foot , Pack of Janome needles , Spool holder x4 , Screwdriver L , Screwdriver S , Spool caps x4 , Spanner , Nets x4 , Oil , Spare upper knife , Janome Needle threader , Lint catcher , Foot control , Instructional DVD , Trim trap bin