
Mr. Pen
Brand Score A+17 products · 8 categories · Avg 4.58★ · 27,861 reviews
Price range $5 – $18
Last analyzed: June 20, 2026
Browse products ↓Quick Take on Mr. Pen
Score: A+- •100% of products carry a 4-star rating or higher — exceptionally consistent
- •28K buyer reviews across the lineup — a well-established track record
- •Spans 8 product categories, strongest in carpentry squares
- •Priced below the category average — verify individual specs match your needs before buying

Mr. Pen - Metal Carpenter Square
4.7★ with 4.2K reviews — top-rated in carpentry squares
Brand Score: A+
A+ in carpentry squares — Mr. Pen's 17 products average 4.58★ across 8 categories, with carpentry squares as the strongest line (4.63★ avg).
Mr. Pen earns a Brand Score of A+ on Mubboo, based on analysis of 17 products across 8 categories. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Market presence (66/100) is the area with the most room for improvement. Mr. Pen's primary strength is in carpentry squares, where it averages 4.63★.
How we calculate Brand Score
Quality Consistency (40%): percentage of products rated 4+ stars
Market Presence (25%): total review volume, log-scaled
Value Positioning (20%): average price vs category average
Category Depth (15%): number of active product categories
Based on 17 Mr. Pen products · last analyzed June 20, 2026.
How Mr. Pen Compares
Mr. Pen | Most Popular Swanson Tool Co., Inc | Highest Rated IRWIN | Best Value Johnson | |
|---|---|---|---|---|
| Avg Rating | 4.58★ | 4.5★ | 4.7★ | 4.56★ |
| Total Reviews | 27,861 | 40,583 | 16,899 | 9,095 |
| Avg Price | $10 | $19 | $16 | $17 |
| Brand Score | A+ | B+ | B+ | B+ |
Show more details
| Products | 17 | 9 | 4 | 10 |
| Quality Rate | 100% | 100% | 100% | 100% |
| Categories | 8 | 1 | 1 | 1 |
Mr. Pen
Avg Rating: 4.58★
Reviews: 27,861
Avg Price: $10
100% rated 4+★
Swanson Tool Co., Inc
Avg Rating: 4.5★
Reviews: 40,583
Avg Price: $19
100% rated 4+★
Our Top 3 from Mr. Pen

Mr. Pen - Metal Carpenter Square
4.7★ with 4.2K reviews — top-rated in carpentry squares

Mr. Pen - Metal Square Ruler
4.6★ with 2.3K reviews — top-rated in carpentry squares

Mr. Pen - Picture Hanging Kit
4.6★ with 4.3K reviews — top-rated in picture hangers
Where Mr. Pen Is Strongest
carpentry squares
picture hangers
What You'll Spend on Mr. Pen
Most Mr. Pen products fall between $5 and $18.
Mr. Pen sits below the category average on price — a value-focused brand. Check individual specs to confirm fit.
What People Say About Mr. Pen
Aggregated from review themes across 11 Mr. Pen products.
- Strong and reliable hold
- Easy to use and install
- Damage‑free removal with no residue
- Durability and build quality
- Adhesion fails on certain surfaces (e.g., texture, humidity)
- Can pull off paint or drywall paper upon removal
- Pull tabs are hard to grab, making clean removal tricky
Expert Coverage
4 Mr. Pen products have coverage from independent expert publications: Cnet. Source links in References.
Where to Buy Mr. Pen
Mr. Pen products are available on Amazon — 17 products across 8 categories.
Browse Mr. Pen on Amazon →Brand Bottom Line
- Brand Score
- A+
- Best Product
- - Metal Carpenter Square ($8) Buy on Amazon →
- Price Level
- Budget — below category average
- Quality
- 100% of products rated 4+★
- Best For
- Value-focused buyers who still want reliability
- Alternatives
- Swanson Tool Co., Inc (Score B+) · IRWIN (Score B+)
Consistent ratings and fair prices make Mr. Pen a low-risk pick. Start with the - Metal Carpenter Square.
Frequently Asked Questions
Is Mr. Pen a good brand?
Mr. Pen earns a Brand Score of A+ on Mubboo. 100% of its 17 products are rated 4 stars or above, which puts it among the most consistent brands in carpentry squares. The main consideration is pricing — Mr. Pen products average $10, $12 below the category average.
What is the best Mr. Pen product to buy?
Based on 4.2K reviews and a Mubboo Score of A+, the - Metal Carpenter Square ($8) is Mr. Pen's top pick. For a budget option, the - Metal Square Ruler ($7) delivers 4.6★ at 11% of the cost.
Is Mr. Pen worth the premium price?
Mr. Pen prices close to the category average ($10 vs $21), so you're not paying a brand premium.
Mr. Pen vs Swanson Tool Co., Inc: which is better?
Mr. Pen scores A+ vs Swanson Tool Co., Inc's B+. Mr. Pen edges ahead on average rating (4.58★ vs 4.5★), while Swanson Tool Co., Inc has more total reviews (41K vs 28K).
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Brand Score, product rankings, or editorial judgments.




