YST-438D Button attaching sewing machine Normal model 438D
Max sewing speed: 2,800sti/min
Max sewing area: 6.4x6.4mm
Dimensions of buttons that can be sewn: Outer diameter of buttons 8-30mm*1
Stitch length: 0.05~6.4mm
Max.No. of stitches: 5,000 stitches/pattern
No. of cycle programs: 30 cycle (50 programs for each cycle)
No. of stored data: 64 sewing patterns are set already(up to 512 patterns can be added. Total number of stitches of stored data which can be added is within 500,000*2)