Hand Tools · My build kit

IRWIN Carpenter Square

Measuring and fitting the storage drawer frame came before attaching its base and lining. The IRWIN square is one of my purchased layout tools for the kind of timber assembly shown in that project.

By · Camper Van Freedom

Read my build notes ↓

The Item in My Kit

I bought IRWIN Carpenter Square as part of my camper van equipment.

Measuring and fitting the storage drawer frame came before attaching its base and lining. The IRWIN square is one of my purchased layout tools for the kind of timber assembly shown in that project.

Laying Out the Drawer Before the Lining Hid the Frame

  1. I measured and assembled the timber drawer frame on the patio.
  2. I fitted the inside corner brackets and base while the frame was exposed.
  3. I added the cut rubber lining and then joined the drawer to the surrounding cabinet with slides.
The drawer after I fitted its rubber lining.
The drawer after I fitted its rubber lining.
The measured timber drawer frame on my patio.
The measured timber drawer frame on my patio.

Camper Van Project Applications

A carpenter square gives two edges a reference for layout and assembly. It can help transfer a cut line or check a rectangular timber part before fastening. Comparing the square's size with the workpiece is more useful than assuming one format fits every cabinet component.

For a wider view of the build kit, see my van conversion tool checklist and budget versus professional tool comparisons.

Manufacturer Specifications And Instructions

SpecificationManufacturer Detail
Model1794462
TypeSteel carpenter square
Size8 × 12 inches
Manufacturer UPC038548995236

IRWIN’s catalog lists model 1794462 as the 8-by-12-inch steel carpenter square. Its two legs provide a reference for checking a corner and extending a perpendicular layout line. Camper-van uses include marking cabinet parts, checking a panel before cutting and comparing the corners of a small assembly. My review below records using it for corners and measurements on wood and other materials.

Manufacturer Product Reference

My Experience with This Tool

I used this square for accurate corners and measurements on wood and other materials. It worked well, and I recommend it.

Watch My Komelon, IRWIN And SWANSON Measuring Tool Review

My shared review includes this IRWIN carpenter square and the SWANSON Speed Square I used for corners and measurements, alongside my Komelon tape experience.

Review and van-build photographs: Steven Smith / Camper Van Freedom. Product reference images: Komelon, IRWIN, SWANSON, Klein, DEWALT and STANLEY. Illustrative workshop footage: Ono Kosuki / Pexels and Gustavo Fring / Pexels.
Read The Video Transcript

Hi, I'm Steve Smith with Camper Van Freedom. Today I'm going through three measuring tools from my van build: the Komelon Self-Lock tape measure, the IRWIN carpenter square, and the seven-inch SWANSON Speed Square. The tape did the measuring I needed, with a drawback on longer runs. Both squares worked well for me.

The Komelon tape was an inexpensive option that worked during the build. It felt less substantial than more expensive tapes, and the blade did not stay stiff on longer runs. That was the limitation I noticed. Its compact case, retractable blade and self-locking format are different things to compare from how rigid the blade feels when extended.

The IRWIN carpenter square gave me a reference for corners and measurements on wood and other materials. I used it, it worked well, and I recommend it. The matching picture shows the two straight legs of this steel carpenter-square format. That shape gives a different reference-edge arrangement from a compact triangular square.

The SWANSON Speed Square also worked well for accurate corners and measurements on wood and other materials. I recommend this one too. Its seven-inch triangular body and board-edge fence make it a different shape to handle and place against a workpiece. These are two actual tools in my review, even though their product pages also compare them as alternatives to each other.

Distance and corner layout are related, but separate jobs. A tape establishes a distance between points. A square provides a reference for a perpendicular line or corner. The diagram shows that relationship without turning it into a measurement of a particular van part. This workshop footage illustrates measuring and a workbench setup, alongside the exact tools from my kit.

My drawer photographs show why the layout stage mattered in the build. The project moved from a measured timber frame to an assembled drawer with a base and rubber lining. Those stages changed the access around the frame. The open-frame and lined-drawer pictures are my actual project context, rather than a claim that every measurement in the pictures was made with one particular tool.

The Komelon page compares DEWALT ToughSeries and STANLEY PowerLock tapes. Their pictures show two other retractable-tape formats, with different case and blade-lock arrangements. They are buying alternatives here, not tapes I am adding a firsthand performance review for.

The square pages also include a Klein seven-inch rafter square. It keeps the compact triangular format, while the IRWIN carpenter square uses the longer two-leg arrangement. Klein is the additional alternative. My actual recommendations in this group are the IRWIN and SWANSON squares I used.

Thanks for watching. I'm Steve Smith with Camper Van Freedom. The three product pages, matching pictures and current Amazon buying options are linked below. My takeaway: the inexpensive Komelon worked for my measuring needs but lost blade stiffness over longer runs, and both the IRWIN and SWANSON squares worked well for me. Until next time.

Watch This Review On YouTube · English Captions (VTT) · Download The Transcript

My Takeaway from This Job

The exposed-frame photograph is the clearest view of the layout stage. My carpenter-square purchase offers a different reference-edge arrangement from the compact triangular rafter squares; I would choose the format around the board and marking task.

Measuring, framing, lining and slide installation were separate stages of the drawer assembly.

Alternative products

Two Alternatives to Compare

The SWANSON and Klein rafter squares provide compact triangular alternatives. Their fences and angle markings change how they sit against a board compared with a larger carpenter square.

ProductWhat distinguishes itPurchase link
IRWIN Carpenter SquareCarpenter-square reference edges for layout and cornersView on Amazon
SWANSON 7-Inch Speed Square (alternative)Seven-inch triangular square with a board-edge fenceView on Amazon
Klein 7-Inch Rafter Square (alternative)Another seven-inch fenced rafter-square formatView on Amazon
SWANSON 7-Inch Speed Square

SWANSON 7-Inch Speed Square

The SWANSON Speed Square is a seven-inch triangular layout tool with an edge fence. Its shape combines a square reference with angle markings for timber layout.

View on Amazon
Klein 7-Inch Rafter Square

Klein 7-Inch Rafter Square

The Klein rafter square uses a triangular body with a board-edge fence. Markings on the body provide layout references for square and angled lines.

View on Amazon

Questions From My Build

What Did I Use This Square For?

I used it for accurate corners and measurements on wood and other materials. It worked well, and I recommend it.

Related Reviews From My Build

← All hand tools