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Mr. Pen- Metal Square Ruler, 7 Inch, Aluminum Rafter Square, Carpenters Square Tool, Carpentry Squares,

  • Based on 2,129 reviews
Condition: New
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$7.95 Why this price?
Save $4.04 was $11.99

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Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Mar 11
Order within 4 hours and 14 minutes
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Style: 7"


Color: Black


Features

  • 7 Inch Triangle Square Fits In A Pocket
  • Gradations Included For Marking Common, Hip, Valley, And Jack Rafters; Useful For Determining And Marking Angles And Making Square Cuts On Boards
  • Heavy-Gauge Billet Aluminum Alloy Construction Is Die-Cast For Increased Accuracy Over Laser-Etched And Extruded Stamped Rafter Squares
  • High-Visibility, white Gradations With A Non-Glare, Matte Finish For Easy Reading In Any Lighting Conditions
  • Multi-Purpose Square Tool: Marking Square And 45-Degree Lines, Protractor Saw Guide, Finding Roof Pitch, Etc.

Material: Aluminum


Brand: Mr. Pen


Color: Black


Style: 7"


Graduation Range: 1/8 Inches


Product Dimensions ‏ : ‎ 7 x 7 x 0.04 inches; 5.64 ounces


Item model number ‏ : ‎ CR01


Date First Available ‏ : ‎ April 3, 2020


Manufacturer ‏ : ‎ Mr. Pen


Best Sellers Rank: #30,076 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #23 in Carpentry Squares


#23 in Carpentry Squares:


Customer Reviews: 4.6 4.6 out of 5 stars 2,129 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Mar 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great buy
Style: 7" Color: Black
I love this little guy. Very thick and sturdy but not heavy, easy to easy and very functional
Reviewed in the United States on June 25, 2025 by Jamellia Hamilton

  • Solid, well-built tool at a very reasonable price
Style: 7" Color: Black
This a solid replacement for my two broken plastic squares that are held together by tape. And the cost was only slightly higher. I appreciated the personal note from the seller. Thanks.
Reviewed in the United States on May 28, 2025 by KC

  • Great square
Style: 7" Color: Black
Great sturdy square.
Reviewed in the United States on April 4, 2025 by VBonz

  • Works as intended.
Style: 7" Color: Black
Works as intended.
Reviewed in the United States on July 10, 2025 by Kindle Customercc

  • Great
Style: 7" Color: Black
Use this for work and it is perfect
Reviewed in the United States on June 26, 2025 by Sheri

  • Excelente
Style: 7" Color: Black
Excelente
Reviewed in the United States on June 12, 2025 by Jose Ramirez

  • Recibes lo que ves
Style: 7" Color: Black
Es lo que ves en la foto, una escuadra y sirve como tal
Reviewed in the United States on June 1, 2025 by Gerardo S.

  • Great
Style: 7" Color: Black
Great quality. Very easy to read.
Reviewed in the United States on May 1, 2025 by michael cruz

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