Mr. Pen - Rafter Square
12 Inch, Black, Aluminum Alloy 12 Inch, Triangle Ruler for Roofing, Framing, Woodworking and Accurate Angle…
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 15% of carpentry squares by rating
- •Mr. Pen loyalists — the brand spans 35 products in our database
- •You prefer well-established products — only 54 reviews, so the rating may still shift
- •Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square offers a better rating (4.8/5) at a similar or lower price ($10)
- •Savannah Center Finder Woodworking Centering Tool — 56% cheaper at $7 (Score A)
- •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: B-
How It Compares
This Product Mr. Pen - Rafter Square | Most Popular Swanson Tool Co., Inc SWANSON Tool Co S0101 7 Inch Speed Square | Best Rated WORKPRO Aluminum Alloy Carpenter Square and Zinc-Alloy | Best Value Savannah Center Finder Woodworking Centering Tool | |
|---|---|---|---|---|
| Price | $14.99 | $9.98 | $22.99 | $6.59 |
| Rating | 4.7/5 | 4.8/5 | 4.8/5 | 4.7/5 |
| Reviews | 54 | 17,198 | 4,001 | 733 |
| Mubboo Score | B- | 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
- 35 products in our database
- Average rating: 4.5/5 across all products
- Price range: $3.99 – $39.99
- Categories: Calculators, carpentry-squares, Makeup Mirrors, Markers, Mouse Pads, picture-hangers
Other carpentry squares
Bottom Line
Mr. Pen - Rafter Square earns Mubboo Score B-. Priced at $15 — a mid-range option, below the category average of $29. Rated 4.7/5 from 54+ reviews. Strong buy if: those who want a top-rated option, mr. pen loyalists. Skip if: you prefer well-established products — 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 - Rafter Square worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.7/5 rating from 54 reviews — better than 85% of carpentry squares we track.
How much does the Mr. Pen - Rafter Square cost?
It is currently $14.99 — mid-tier pricing for carpentry squares.
How does the - Rafter Square 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 - Rafter Square carries a Mubboo Score of B- vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-18) and may change.