Brother Innov-is F420 review
a quilter-friendly step up
8.3/10 provisional Provisional
140 stitches, 10 buttonholes, a knee lifter and Brother's Square Feed Drive, with up to 7mm width at 850 stitches a minute. Researched from retailer and maker listings; we have not tested it, and the score is provisional.
Pick it if
you quilt or sew bulky layers and want a knee lifter.
Skip it if
you are a beginner on a budget.
What owners and reviewers like
- Knee lifter
- Square Feed Drive
- 140 stitches, 10 buttonholes
- 5mm/7mm width
- 850 stitches a minute
What to watch for
- Most expensive Brother here outside embroidery models
Key specs
| Stitches | 140 |
|---|---|
| Buttonholes | 10 |
| Knee lifter | Yes |
| Speed | 850 stitches a minute |
| Max width | 7mm |
| Feed | Square Feed Drive |
How the score breaks down
| Core performance on paper | 2.7 / 3 |
|---|---|
| Ease for beginners | 1.6 / 2 |
| Value | 1.4 / 2 |
| Reliability reports | 1.3 / 1.5 |
| UK support and warranty | 1.3 / 1.5 |
Weights from how we score. Scores are provisional and based on cited sources, not a test.
Price and where to buy
£669 inc VAT (Sewing Machine World, checked 1 Nov 2026)
Sources
All checked 1 November 2026. We read these; we did not test the products ourselves.