Shinwa 87398 12" x 6" Stainless Steel Squares Imperial
Graduations in 1/16ths and 1/32nds
Price as of 2026-06-18. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Shoppers looking for carpentry squares from Shinwa
- •You prefer well-established products — only 51 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)
- •Johnson Level & Tool 405 Stair/Square Gauge Set — 59% 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 Shinwa 87398 12" x 6" Stainless Steel Squares Imperial | 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 Johnson Level & Tool 405 Stair/Square Gauge Set | |
|---|---|---|---|---|
| Price | $17.67 | $9.98 | $22.99 | $7.18 |
| Rating | 4.6/5 | 4.8/5 | 4.8/5 | 4.7/5 |
| Reviews | 51 | 17,198 | 4,001 | 2,277 |
| 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 Shinwa
- 4 products in our database
- Average rating: 4.5/5 across all products
- Price range: $16.18 – $32.79
- Categories: carpentry-squares
Other carpentry squares
Bottom Line
Shinwa 87398 12" x 6" Stainless Steel Squares Imperial earns Mubboo Score B-. Priced at $18 — a mid-range option, below the category average of $29. Rated 4.6/5 from 51+ reviews. Strong buy if: shoppers looking for carpentry squares from shinwa. 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 Shinwa 87398 12" x 6" Stainless Steel Squares Imperial worth buying in 2026?
It earns a Mubboo Score of B-, with a 4.6/5 rating from 51 reviews — better than 69% of carpentry squares we track.
How much does the Shinwa 87398 12" x 6" Stainless Steel Squares Imperial cost?
It is currently $17.67 — mid-tier pricing for carpentry squares.
How does the 87398 12" x 6" Stainless Steel Squares Imperial 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 87398 12" x 6" Stainless Steel Squares Imperial 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.