NTSUMI 12 Inch 4 Combination Square Ruler Set Protractor
Satin, 4-R Graduation, Blue
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in carpentry squares
- •You're on a tight budget — $30 above the category average of $29
- •You prefer well-established products — only 15 reviews, so the rating may still shift
- •Rating sits in the bottom 13% of carpentry squares — higher-rated options exist
- •SHALL Rafter Square & Combination Square Tool Set — 58% cheaper at $25 (Score B)
- •DFM Tool Works Small Square and Center Finder — higher rated at 4.8/5 ($26)
📊 Based on data analysis of 175 products in this category.
Mubboo Score: C-
How It Compares
This Product NTSUMI 12 Inch 4 Combination Square Ruler Set Protractor | Most Popular Swanson Tool Co., Inc Swanson Tool Co TC132 12-Inch Combo Square | Best Rated DFM Tool Works Small Square and Center Finder | Best Value SHALL Rafter Square & Combination Square Tool Set | |
|---|---|---|---|---|
| Price | $58.89 | $28.96 | $26.45 | $24.99 |
| Rating | 4.3/5 | 4.6/5 | 4.8/5 | 4.4/5 |
| Reviews | 15 | 2,836 | 905 | 807 |
| Mubboo Score | C- | B | B | B |
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
Other carpentry squares
Bottom Line
NTSUMI 12 Inch 4 Combination Square Ruler Set Protractor earns Mubboo Score C-. Priced at $59 — a premium option, above the category average of $29. Rated 4.3/5 from 15+ reviews. Strong buy if: buyers who prioritize quality over price in carpentry squares. Skip if: you're on a tight budget — Swanson Tool Co., Inc Swanson Tool Co TC132 12-Inch Combo Square (Score B, $29) may fit better.
Frequently Asked Questions
Is the NTSUMI 12 Inch 4 Combination Square Ruler Set Protractor worth buying in 2026?
It earns a Mubboo Score of C-, with a 4.3/5 rating from 15 reviews — better than 13% of carpentry squares we track.
How much does the NTSUMI 12 Inch 4 Combination Square Ruler Set Protractor cost?
It is currently $58.89 — premium-tier pricing for carpentry squares.
How does the 12 Inch 4 Combination Square Ruler Set Protractor compare to other carpentry squares?
The category's most-reviewed alternative is the Swanson Tool Co., Inc Swanson Tool Co TC132 12-Inch Combo Square (4.6/5, 2,836 reviews, $28.96). The 12 Inch 4 Combination Square Ruler Set Protractor carries a Mubboo Score of C- vs B.
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.