721D Overlocker

This Silver 721D overlocker machine is a lightweight machine and easy to thread. This 3 or 4 thread machine has a built-in tension adjusting device, as well as a detachable extension plate for free arm sewing.  It has a variable stitch width of between 2.3 and 7.00mm, with an automatic safety switch which is activated when the looper cover is opened. Colour-coded thread paths and a self-threading lower looper for quick threading. All you need to do is lay the thread into the guide, press the lower switch and the lower looper will be threaded.

In addition, there is a tension release button that enables you to remove fabric easily whilst maintaining pre-set tensions.

  • 1300 max RPM
  • Seven built-in stitches
  • 3-4 thread overlock
  • Lightweight aluminium inner frame
  • Stitch length 1.2-4.0mm
  • Stitch width 2.3-7.0mm
  • Built-in rolled hem
  • Auto looper threader
  • Built-in sewing lamp
  • Detachable extension plate for free arm sewing
  • Tension release button
  • Automatic safety switchBuilt-in upper knife clutch device
  • Presser foot lift 5-6mm
  • HA1 needle (130/705H)
  • Colour coded thread guide
  • Differential feed ratio 0.7-2.0mm
  • Machine size 29cm x 29cm (11.4″ x 11.4″)
  • Machine Weight 7kg.

Instruction Manual 721D

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SKU: MC02 Category:


Additional information

Weight (kg)

Adjustable Knife Cutting Width


Automatic Lower Looper Threader



Colour Coded Thread Guide


Cutting Blades


Free Arm Overlocking


Product Number

Rolled Hem


Thread Number

3 or 4 Thread