Johnson Level & Tool
Johnson Level & Tool CS9 16" x 24" Steel Framing Square hand tool
A 16" x 24" steel framing square with printed 1/10, 1/12 and 1/16 in graduations, octagon scales and anti-rust powder finish
- TypeSquares, Bevels & Stair Gauges
- Features24" x 2" body, 16" x 1-1/2" tongue, 1/8" thick EZ
- Selling UnitEach
- Accurate layout with 1/10, 1/12, 1/16 inch graduations on both legs
- Anti-rust powder coating protects the steel surface
- 16 by 24 inch framing square covers large workpieces
- Octagon scale adds specialised roof-layout capability
- Straightness held to ±0.031 inch for reliable lines
Professional Framing Square
The Johnson Level & Tool CS9 is a steel framing square built for layout work in carpentry and framing. Its 24 inch blade and 16 inch body provide the standard dimensions for marking rafters, stairs and right angles on dimensional lumber. The anti-rust powder coating protects the tool on job sites where moisture is common. Graduations are printed in black for clear reading in bright conditions.
Scale Limits and Tolerance
The square displays three SAE scales on both blade and base: 1/10, 1/12 and 1/16 inch graduations. An octagon scale is included for specialised layout tasks. Straightness is held to a tolerance of +/- .031 inch across the full length. The .09 inch thickness keeps the edges rigid enough to guide a pencil or knife without flexing during repeated use.
Blade Length Decides Fit
The 24 inch blade length determines whether this square reaches across the widest framing members you typically mark. Shorter blades cannot span a 2x12 in a single placement, while longer blades add weight without benefit for standard stud and joist layouts. Choose this model when the 24 inch reach matches your common stock widths.
Highlights
- Accurate layout with 1/10, 1/12, 1/16 inch graduations on both legs
- Anti-rust powder coating protects the steel surface
- 16 by 24 inch framing square covers large workpieces
- Octagon scale adds specialised roof-layout capability
- Straightness held to ±0.031 inch for reliable lines
Specifications
| Brand | Johnson Level |
|---|---|
| Model | CS9 |
| Type | Squares, Bevels & Stair Gauges |
| Features | 24" x 2" body, 16" x 1-1/2" tongue, 1/8" thick EZ |
| Selling Unit | Each |
| Shipping weight | 0.91 kg |
| Package size | 635 × 432 × 13 mm |
Questions about this item
Which size of the CS9 framing square should I choose?
The CS9 is a single model with a 24 in blade and a 16 in tongue, both made of steel and 0.09 in thick.
What does the ±0.031 in straightness tolerance mean when I use the square?
It means any edge will not deviate from perfectly straight by more than 0.031 in over its full length.
How do the SAE graduations on the blade and tongue help me in practice?
Both faces show 1/10, 1/12 and 1/16 in scales plus an octagon scale, so you can lay out common rafter and stair cuts directly.
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