Functions/Model

STF39

STF17

Built-in Stitches

20

17

Auto Size Buttonhole

1-Step

4-Step

Needle Threader

*

*

Speed Control

*
(with foot control)

*
(with foot control)

Needle Up/Down

Start/Stop Button

Automatic Tension

*

*

Adjustable Stitch Width

*

Adjustable Stitch Length

*

Adjustable Fabric Pressure

*

Thread Cutter

*

*

Needle Positions

Left, Center, Right

Left, Center

Drop Feed

*

*(with darning plate)

Bobbin Type

Front Load

Front Load

Free Arm

*

*

Warranty

5 year machine head; 2 year motor, light assembly, wiring, switches and speed control; 90 days repair/replace parts (except for routine expendables)

Weight

18 lbs

18 lbs

STF39

STF17

Zigzag (Standard) Foot

*

*

Buttonhole Foot

*

*

Zipper Foot

*

*

Overcasting Foot

Blind Stitch Foot

Spool Cap

Darning Plate

Drop-feed

*

Small Screwdriver

*

*

Ripper

*

*

Needles (#90/14)

3

3

Twin Needle

*

Ball Point Needle

*

Extra Bobbins

3

3

Driver for Needle Plate

*

*

Extra Spool Pin

*

Dust Cover

*

*

Instructional Manual

English/Spanish

English/Spanish

Oiler

*

*

Cleaning Brush