Mr. Pen - Metal Square Ruler
7 Inch, Aluminum Rafter Square, Carpenters Square Tool, Carpentry Squares,
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$4–$13← You are here
- Mid-range:$13–$28
- Premium:$28+
Is This Right For You?
- •Budget-conscious shoppers — priced below 94% of carpentry squares
- •Mr. Pen loyalists — the brand spans 38 products in our database
- •Johnson Level & Tool RAS-70B-ORAN Structo-Cast Rafter Square offers a better rating (4.8/5) at a similar or lower price ($6)
- •Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square — higher rated at 4.8/5 ($10)
📊 Based on data analysis of 175 products in this category.
Mubboo Score: A
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other carpentry squares
Computed from live Amazon rating, review count, and price across 175 carpentry squares available to US consumers · last refreshed 2026-06-18.
How It Compares
This Product Mr. Pen - Metal Square Ruler | Most Popular Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square | Best Rated DEWALT DW SQRE QUICK | Best Value Johnson Level & Tool RAS-70B-ORAN Structo-Cast Rafter Square | |
|---|---|---|---|---|
| Price | $6.95 | $9.98 | $14.69 | $5.99 |
| Rating | 4.6/5 | 4.8/5 | 4.8/5 | 4.8/5 |
| Reviews | 2,293 | 17,198 | 2,320 | 1,262 |
| Mubboo Score | A | A+ | A- | A |
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Confirm squareness upon arrival; combination squares may need deburring or adjustment. Consider imperial-only marking options if you don't need metric, and Swanson packs include a handy reference booklet.
- Durability and build quality
- Clear and easy-to-read markings
- Accuracy and squareness
- Excellent value for money
- Included instruction booklet
- Unwanted metric scales or logos
- Combination square adjustment issues
- Minor cosmetic defects
Related Video Reviews
- 📹 I Found an Affordable Alternative to Woodpeckers Tools — 731 Woodworks
- 📹 Are the Pricey SQUARES Really WORTH IT?? — Jarod Coffman
- 📹 Don't buy any Woodpeckers Squares until you see THIS! — Kings Fine Woodworking
About Mr. Pen
- 38 products in our database
- Average rating: 4.5/5 across all products
- Price range: $3.99 – $39.99
- Categories: Calculators, carpentry-squares, carriers-and-strollers, cloth-diapers-and-accessories, decor, Makeup Mirrors
If not the - Metal Square Ruler, consider these
Bottom Line
Mr. Pen - Metal Square Ruler earns Mubboo Score A. Priced at $7 — a budget-friendly option, below the category average of $29. Rated 4.6/5 from 2,293+ reviews. Strong buy if: budget-conscious shoppers, mr. pen loyalists. Skip if: johnson level & tool ras-70b-oran structo-cast rafter square offers a better rating (4.8/5) at — Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square (Score A+, $10) may fit better.
Frequently Asked Questions
Is the Mr. Pen - Metal Square Ruler worth buying in 2026?
It earns a Mubboo Score of A, with a 4.6/5 rating from 2,293 reviews — better than 69% of carpentry squares we track.
How much does the Mr. Pen - Metal Square Ruler cost?
It is currently $6.95 — budget-tier pricing for carpentry squares.
How does the - Metal Square Ruler compare to other carpentry squares?
The category's most-reviewed alternative is the Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square (4.8/5, 17,198 reviews, $9.98). The - Metal Square Ruler carries a Mubboo Score of A vs A+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-18) and may change.