MyLock 634D
2, 3, or 4 thread serger
Lay-in thread tension dial
Threading chart
Color coded thread guides
Tension release device
Easily accessible lower looper guides
Changeable thread guide
Quick change rolled hem
Lower looper pretension setting slider
Easily retractable upper knife
Adjustable foot pressure
Snap on presser feet
Adjustable stitch length 1mm to 5mm
Differential feed ratio 0.5 to 2.25
Adjustable cutting width 3.1mm to 7.3mm
Maximum speed 1,300 spm
Waste chip box
2, 3, or 4 thread serger
Lay-in thread tension dial
Threading chart
Color coded thread guides
Tension release device
Easily accessible lower looper guides
Changeable thread guide
Quick change rolled hem
Lower looper pretension setting slider
Easily retractable upper knife
Adjustable foot pressure
Snap on presser feet
Adjustable stitch length 1mm to 5mm
Differential feed ratio 0.5 to 2.25
Adjustable cutting width 3.1mm to 7.3mm
Maximum speed 1,300 spm
Waste chip box
2, 3, or 4 thread serger
Lay-in thread tension dial
Threading chart
Color coded thread guides
Tension release device
Easily accessible lower looper guides
Changeable thread guide
Quick change rolled hem
Lower looper pretension setting slider
Easily retractable upper knife
Adjustable foot pressure
Snap on presser feet
Adjustable stitch length 1mm to 5mm
Differential feed ratio 0.5 to 2.25
Adjustable cutting width 3.1mm to 7.3mm
Maximum speed 1,300 spm
Waste chip box