1.        The 4-holed button sewing mode can be easily switched over to the 2-holed button sewing mode in accordance with changing sewing specifications. Furthermore, the button hole interval can be easily changed by operating the lever.

2.        The number of stitches can be quickly selected from among 8, 16 and 32 stitches corresponding to the change in sewing specifications.

3.        The attachments that are currently being used with the conventional machine can be used with the revamped machine without the need for any additional adjustments.

4.        The machine ensures consistent sewing performance even when it runs at 1,500 rpm. The unique speed-decreasing device reduces vibration when the sewing machine stops, thereby enabling the sewing machine to beautifully finish buttons with accuracy.

5.        The machine incorporates a compact-sized thread trimming mechanism that is interlocked with the presser lifter. This thread trimming mechanism helps produce beautifully finished seams with the length of remaining thread reduced.