Precision Milled squares for Woodworkers & Machinists who demand Quality Tools to produce Quality Work.

Chappell Center-Rule Bench Squares will become your favorite go-to shop squares
Chappell Universal Square is the first ever to produce a true Center-Rule Bench Square. These square are designed specifically for discerning craftspeople who find themselves working outside of the normal confines of a square world where centerline datums are required. Made for woodworkers, craftspeople and machinists who care about quality tools to produce quality work. Chappell Bench Squares are one of our most popular items, and the Full Set of 3 perennially remains one of our best sellers. These ‘sweet little bench squares’ are proudly made in the USA, deeply etched and precision milled from 304 Stainless Steel. They fill a niche for woodworkers and craftsmen by providing increased flexibility to cover a broad range of layout situations. The Chappell Center-Rule Bench Squares will surely become one of your favorite go-to squares in the shop once you use them.

34 Gauging Square—The Sweetest Square in the Universe
The 34 Gauging Square is the smallest—and as many of our customers say, “the sweetest square” in our line of fine squares. The fact is, the 34 Gauging Square fits so comfortably in your back pocket you’ll forget it’s there. This will make you appreciate it even more the several times each day it just happens to be to the RIGHT tool to do the trick. So, when you need it, there it is, right in your back pocket.
Model #34 Gauging Square has a body 1″ x 4″ and the tongue 1″ x 3″. The 34 Gauging Square is ideal for tight spaces and Gauging layout spec’s, tool settings for depth and squareness and a myriad of other tasks. You will understand the true sweetness of the 34 Square once you find it living comfortably in your back pocket.
It is the perfect gauge for setting circular saw and table saw blades, router depths and scores of other tools to a perfect 90 degrees. Moreover, it is available in Imperial 1/16th Inch Ruling, the Chappell Decimal Inch Ruling, and Metric Ruling.
The 69 & 912 Center-Rule Bench Squares will Make your work Better
The 69 and 912 Center-Rule Bench Squares have a 1-1/2″ wide body and a 1″ wide tongue. The numbers represent the length of the tongue and body in inches. Both body and tongue, front and back, have zero point rulings on the inner and outer edges. However, the key features is the Center-Rule Scale along the center of each leg—front and back.
The Center-Rule makes these bench squares perfect when centerline datums are necessary. Having both the center rule and zero point scales on the same tool allows one to quickly switch back and forth from center rule to square rule instantly and on-the-fly. The result,—increased production and quality. Center rules come in especially handy for remodel jobs, working with wanky stock or recycled wood and when using a centerline layout method. If preserving natural curves and/or irregularities in the stock is desired—maintaining a strict centerline datum is essential. Chappell Center-Rule Bench Squares are the perfect tool for the job.
All Chappell Square Bench Squares are available in Imperial 1/16 Inch Ruling, The Chappell Decimal .05 Inch Ruling, and Metric Ruling. So, make sure to specify the ruling when you place your order.
Increase Your Layout Flexibility
When performing layout, the Chappell Bench Squares can work in tandem with our larger Framing Squares. By nesting the squares one-to-the-other on the piece of work, datum locations and offsets from the primary datum or datum line, can easily and accurately be located. This is especially helpful in making perpendicular setbacks or parallel layout on rafters or any members requiring angle cuts.
Choose Your Ruling
Chappell Square Center-Rule Bench Squares are available in Imperial 1/16 Inch Ruling, Chappell Hybrid Decimal .05 Inch Ruling, and Metric Ruling. Make sure to specify the ruling when you place your order.
A note about the Chappell Decimal Inch Ruling
The Chappell Decimal Inch Rulings are a natural favorite for Stair Builders and Machinists. By following their reasoning for this, you’ll quickly understand why it makes perfect sense for carpenters and builders as well. By adding a set of Chappell Bench Squares to the 1824 Master Framer and 1218 Traveler, you’ll have a complete and seamless layout system. The hybrid decimal ruling is divided by the 1/4, 1/2 and 3/4 inch, and further into .05 inches. By combining fractional and decimal units seamlessly—there’s no need to convert back and forth from fractional to decimal units. The decimal units can be applied directly to the Decimal Inch Scale, and easily utilized using simple arithmetic when determining length factors.
Base 10 Decimal System
The beauty of the Base-10 Decimal System will be understood within only a few hours of working with it, and really kicks in once you realize that each ruling can be considered simply as 5. We all learn to count by 5 in grade school, so it’s an easy matter to arrive at 25. On the decimal inch scale, this equals .25 or 1/4 inch. In practice, the default language for this is to simply call each ruling a Chappell. So when you’re co-worker confirm a measurement as 7 Chappells, you’ll inherently understand it to be .35, because 7×5 equals 35, being .35 on the scale. For more about the Decimal Inch Ruling, check out the video posted above, or go to our Chappell YouTube Channel for more.
No matter what the marking or layout situation—from large scale compound roof systems, to the most minute and intricate furniture and cabinetry layout—there is a Chappell Universal Square that’s right for you.
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Chappell Universal Square—Rebuilding America One Square at a Time.
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Check out our YOUTUBE Channel To learn more view our series of instructional videos.
You will see just how easy it is to use the Chappell Universal Square to build your next Masterpiece.

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Check out these useful quick links:
1218 Traveler Framing Square
1824 Master Framer Framing Square
Chappell Square Center-Rule Bench Squares
Chappell Metric Framing Squares & Bench Squares
EQUAL PITCHED RAFTER TABLES
UNEQUAL PITCHED RAFTER TABLES
THE POLYGON RAFTER TABLES
Find answers to many of your questions on the Chappell Square FAQs page.
Reviews from the Press & Bloggers

Check out the Chappell Universal Square Instruction Manual

To learn even more check out the Chappell Square YouTube Channel

Check out our YOUTUBE Channel To learn more view our series of instructional videos. You will see just how easy it is to use the Chappell Universal Square to build your next Masterpiece.