Johnson Level makes a wide variety of squares for the construction professional. From highly specific tools, like “speed square” style rafter angle squares and drywall squares to more general tools like carpenter squares and combination squares. Johnson squares are built to last in a wide variety of materials, sizes and features. Durable steel squares, lightweight aluminum squares, 6” combination squares, and 54” drywall squares. Whatever your application, Johnson Level has a square for your construction project.

Black anodized aluminum square with graduations in yellow
Framing Squares
Professional rafter/angle square
Rafter Squares & Protractors
Steel blade with cast iron head combination square
Combination Squares
Original Aluminum Adjust-A-Squares T-Square
T-Squares
Hardwood try square
Special Purpose Squares

Construction Squares

16" x 24" Aluminum Framing Square
16" x 24" Aluminum Framing Square
Model: CS7
16" x 24" Professional Aluminum Framing Square
16" x 24" Professional Aluminum Framing Square
Model: CS5
16" x 24" Aluminum Carpenter Square
16" x 24" Aluminum Carpenter Square
Model: CS4
16" x 24" Metric Aluminum Carpenter Square
16 x 24 Metric Aluminum Carpenter Square
Model: CS8
16" x 24" Professional Steel Framing Square
16" x 24" Professional Steel Framing Square
Model: CS2
16" x 24" Professional Easy-Read Steel Framing Square
16" x 24" Professional Easy-Read Steel Framing Square
Model: CS9
16" x 24" Steel Carpenter Square
16" x 24" Steel Carpenter Square
Model: CS3
16" x 24" Steel Carpenter Square
16" x 24" Steel Carpenter Square
Model: CS1
8" x 12" Professional Easy-Read Steel Carpenter Square
8" x 12" Professional Easy-Read Steel Carpenter Square
Model: CS10
8" x 12" Steel Carpenter Square
8" x 12" Steel Carpenter Square
Model: 430
Stair/Square Gauge
Stair Square Gauge
Model: 405
12" Professional Rafter/Angle Square
12" Professional Rafter Angle Square
Model: RAS-120
7" Johnny Square Professional Aluminum Rafter Square
7" Johnny Square Professional Aluminum Rafter Square
Model: RAS-1; RAS-1B; 1941-0700
7" Aluminum Rafter Angle Square
7" Aluminum Rafter Angle Square
Model: 1904-0700
7" Aluminum Rafter Square
7" Aluminum Rafter Square
Model: 1900-0700-10
7" and 12" Structo-Cast Rafter/Angle Squares
7" and 12" Structo Cast Rafter Angle Squares
Model: RAS-170
Professional Magnetic Protractor/Angle Locator
Professional Magnetic Protractor Angle Locator
Model: 700
Protractor - Pitch and Slope Locator
Protractor Pitch and Slope Locator
Model: 750
Professional Cast Iron Combination Square
Professional Cast Iron Combination Square
Model: 440
16" Professional Inch/Metric Metal Combination Square
16" Professional Inch/Metric Metal Combination Square
Model: 420EM
6" Professional Inch/Metric Metal Combination Square
6" Professional Inch/Metric Metal Combination Square
Model: 406EM
Professional Metal Combination Square
Professional Metal Combination Square
Model: 400, 400EM
12" Structo-CastŪ Combination Square
12" Structo-CastŪ Combination Square
Model: 415, 415EM
The Original 48" and 54" Aluminum Adjust-A-Squares T-Squares
The Original 48" and 54" Aluminum Adjust A Squares T Squares
Model: ADS48,ADS54
48" & 54" Heavy Duty Professional Aluminum Drywall T-Squares
48" amp; 54" Heavy Duty Professional Aluminum Drywall T Squares
Model: JTS48HD,JTS54HD
48" Easy-Read Professional Aluminum Drywall T-Square
48" Easy-Read Professional Aluminum Drywall T-Square
Model: JTS48-K
48" Professional Aluminum Drywall T-Squares
48" Professional Aluminum Drywall T Squares
Model: JTS48
24" RockRipperŪ Pro Drywall Scoring Square
24" RockRipper reg; Pro Drywall Scoring Square
Model: RTS24
Job Saw / Wallboard Saw
Job Saw Wallboard Saw
Model: 68
8" Professional Aluminum Try Square
8" Professional Aluminum Try Square
Model: 1908-0800
8" Professional Carbonized Bamboo Try Square
8" Professional Carbonized Bamboo Try Square
Model: 1940-0800
8" Professional Bamboo Try Square
8" Professional Bamboo Try Square
Model: 1909-0800
Stucto-Cast Try & Mitre Squares
Stucto-Cast Try & Mitre Squares
Model: 450; 451
10" Professional Aluminum T-Bevel
10" Professional Aluminum T-Bevel
Model: 1913-1000
10" Professional Carbonized Bamboo T-Bevel
10" Professional Carbonized Bamboo T-Bevel
Model: 1926-1000
8" Professional Bamboo T-Bevel
8" Professional Bamboo T-Bevel
Model: 1915-0800
Structo-CastŪ Sliding T-Bevel
Structo Cast reg; Sliding T Bevel
Model: B75
10" Inch/Metric Structo-Cast Try & Mitre Square
10" Inch/Metric Structo-Cast Try & Mitre Square
Model: 1910-1000
12" Inch/Metric Structo-Cast Try & Mitre Square
12" Inch/Metric Structo-Cast Try & Mitre Square
Model: 1910-1200
1200mm Aluminum Metric Drywall T-Square
1200mm Aluminum Metric Drywall T Square
Model: JTS1200
8" Inch/Metric Structo-Cast Try & Mitre Square
8" Inch Metric Structo Cast Try amp; Mitre Square
Model: 1910-0800
Butt Markers
Butt Markers
Model: 2035-2040
Deck-Mate Professional Board Spacing Tool
Deck-Mate Professional Board Spacing Tool
Model: 60-275
Professional Contour Gauge
Professional Contour Gauge
Model: 2206