OLFA QR-12S 12 1/2 in Square Frosted Acrylic Ruler review
a squaring-up ruler
8.0/10 provisional Provisional
12.5in square, non-slip, 1/8in increments. Researched from retailer and maker listings; we have not tested it, and the score is provisional.
Pick it if
you square up blocks.
Skip it if
you only cut strips.
What owners and reviewers like
- Non-slip
What to watch for
- Single job
Key specs
| Size | 12.5 x 12.5in |
|---|
How the score breaks down
| Core performance on paper | 2.5 / 3 |
|---|---|
| Ease for beginners | 1.7 / 2 |
| Value | 1.5 / 2 |
| Reliability reports | 1.3 / 1.5 |
| Local support and warranty | 1.0 / 1.5 |
Weights from how we score. Scores are provisional and based on cited sources, not a test.
Price and where to buy
$38.49 maker's list price before sales tax (OLFA (US maker store), checked Nov 1, 2026)