N Series Super high speed overlock

Model	EF4-N11	EF4-N21	MA4-N31
Stitch form
Maximum sewing speed	7000spm	6700spm	6500spm
Maximum stitch length	3.8mm(5.9mm)	3.8mm	3.8mm(5mm)
Maximum height of presser foot	7mm	7mm	6mm
Needle gauge	-	1.8, 2.2, 2.5, 3 mm	2, 3, 5 mm
Maximum stitch width	7mm	7mm	7mm
Differential feed ratio	0.7-3.0	0.7-3.0	0.7-2.8
Number of needles (DC x 27)	1	2	2
Number of threads	3 (2)	4	5 (4)

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