Precision Machinist Square 4 Inch Engineer Square 90 Degree Right Angle Ruler Ground Hardened Steel with Seat 4 x 2.8 Inch
Mubboo Value Score: 5.2/10
How it stacks up
Rated 4.6/5 — better than 69% of 175 carpentry squares we track. Mid-tier pricing at $16.49.
Head-to-Head vs Category Leader
| Boomgood | PEC Tools (Leader) | |
|---|---|---|
| Price | $16.49 | $12.99 |
| Rating | 4.6/5 | 5.0/5 |
| Reviews | 510 | 25 |
| Mubboo Score | 5.2/10 | 5.7/10 |
The category leader PEC Tools Lock Bolt Part for 12"/18"/24" Combinati offers better ratings at $12.99.
What reviewers 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.
Rating reliability
About Boomgood
- 3 products in our database
- Average rating: 4.5/5 across all products
- Price range: $16.49 – $43.85
- Categories: carpentry-squares
Other carpentry squares
Frequently Asked Questions
Is the Boomgood Precision Machinist Square 4 Inch Engineer Square 90 Degree R worth buying in 2026?
It earns a Mubboo Score of 5.2/10, with a 4.6/5 rating from 510 reviews — better than 69% of carpentry squares we track.
How much does the Boomgood Precision Machinist Square 4 Inch Engine cost?
It is currently $16.49 — mid-tier pricing for carpentry squares.
How does it compare to the top-rated carpentry squares?
The category leader PEC Tools Lock Bolt Part for 12"/18"/24" Combinati offers better ratings at $12.99.
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 and may change.