Janome J3-24 is the top model of the J3 series of machines that features extra stitches, width adjustment dial and automatic one step buttonhole.
 
Stitches - total 24, including utility, stretch, blind hem, overcasting for neatening raw edges, 8 decorative and an automatic buttonhole (Put the button in the back of the foot and it will sew the exact size in one go).
 
Stitches are easily selected with the selector dial and can be adjusted in length and width. Stretch stitches are preset in length , but adjustable in width. Maximum stitch width 5 mm, maximum stitch length 4 mm.
 
Front loading bobbin - traditional bobbin system , bobbin fixes into the front of the machine. Bobbin case pulls out the bobbin placed in and easily threaded, then the bobbin case is inserted into the machine.