CK Tools Speed Rafter Square - 180mm - T3590
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Product Information
Full details
The CK Tools T3590 Speed Rafter Square is a versatile 180mm multi-function layout tool designed for professional carpenters, joiners, and DIY enthusiasts who need to increase precision and efficiency on the job site. By consolidating five essential tools into a single, compact unit, it simplifies marking, squaring, and cutting tasks; however, its compact size may feel limiting for those working on large-scale timber framing compared to a standard 300mm square.
All features
| Model Part Number | T3590 |
|---|---|
| Brand | CK Tools |
Extended Product Information
FAQs
Is this square suitable for both metric and imperial users?
This model is specifically designed for metric measurements and includes specialized rafters scales for common geometric calculations.
Can this be used as a saw guide?
Yes, the solid body of the square provides a thick fence that a circular saw or jigsaw can run against to produce a straight cut.
What is the material composition of the T3590?
The T3590 is manufactured from heavy-duty, professional-grade materials designed to resist wear and tear on busy job sites.
Does it include a pivot point for angle cutting?
This specific 180mm model focuses on standard square and angle layout; it does not feature a dedicated pivot-locking mechanism.
How do I use the rafter conversion chart?
The conversion chart provides quick-reference values for determining cut angles based on the pitch of the roof.
Troubleshooting
Graduations become hard to read due to sawdust
Wipe the face of the tool with a dry microfiber cloth or a damp rag to clear the debris from the etched grooves.
Square feels loose against the workpiece
Ensure the integrated end stop is firmly pressed against the edge of the timber before marking to guarantee a 90-degree reference.
Pros and Cons
Pros
- Reduces the need to carry multiple bulky measuring tools
- Highly durable material withstands rugged site conditions
- Excellent legibility under bright or dim light
- Integrated end stop makes repeated marking fast and accurate
- Compact form factor fits easily into tool pouches
Cons
- 180mm length may be insufficient for wide board marking
- No folding pivot feature found on some competing speed squares
- Professional-grade thickness might be heavier than plastic alternatives
Setup, Compatibility & Care
No specialized setup is required to begin using the T3590; simply remove it from the packaging and ensure the edges remain free of debris. Compatibility is universal as it utilizes standard metric measurements common in modern construction. To maintain the accuracy of the square, avoid dropping the tool on concrete, as impacts can affect the squareness of the heel. Store in a dry tool box to prevent oxidation and periodically clean the graduations with a damp cloth if they become obscured by sawdust or graphite.