The original Monster Square is available in a 12", 8" 6" & 4" size with two material choices: Cast Iron (FE) with a Dragon Scale Coat or Cast Aluminum (AL). All Monster Squares feature a stiff “flange and web” design that is fully machined on all outer edges with tapped holes on the sides for mounting tabs.
All 12" & 8" Squares MADE IN USA. - Patented Design
Use the square to locate tabs precisely
Unlike a ruler, it gives you reference in space and corrects roll so parts line up right.
Set your distance, lock it in with pliers
Now your material runs perfectly parallel and stays put through the whole setup.
Use it to set 90° or 45°
Position your parts fast and clamp them solid for square, accurate weld-ups every time.
Use tabs to prevent twist
Hold parts square and steady through the final weld. Bonus: They grip round tubing too.
Cast Aluminum Mobile Variant
The lightweight aluminum variant is ideal for mobile fieldwork. It acts as a massive heat sink for thin metals and remains completely rust-proof.
Unmatched Manufacturing Quality
Machined flat to tight tolerances, these squares beat standard hardware speed squares. The 8, 10, and 12-inch models are proudly made in the USA.
Clamp it from any side
Multiple faces give you fast, rigid hold without wasting time on tricky setups or uneven surfaces.
Huge Setup Time Savings
Replacing slow manual jigs with this square turns a day of tedious fit-up into a 15-minute task, easily paying for itself in shop labor savings.
Available Sizes
| Aluminum (AL) |
| Pros ✔ Lightweight; ideal for mobile welding setups. Cons ✖ Not suited for heavy loads or frequent impacts ✖ Can dent or deform if dropped. |
| Cast Iron + Dragon Scale |
| Pros ✔ Built for heavy-duty projects. Cons ✖ Heavy; not ideal for mobile welding) ✖ Susceptible to rust. |
What Is Dragon Scale Coating?
Superior Anti-Spatter Properties
Improved Corrosion Resistance
Enhanced Wear Resistance
Steel vs Dragon Scale Coating
Nitride vs Dragon Scale Coating
Full Video (Dragon Scale Demo)
Included Accessories
Our innovative tabs make welding tables optional.
- Align perfectly in seconds
- Skip the $1,000+ flat table
- Tabs attach front or back
We reinvented the game—just twist and go. No more hunting for the right tool!
- No hex keys or Allen wrenches
- Adjust tabs with just your fingers
- Quick changes, no tools needed
Optional Add-Ons
Snap on edge alignment pins to any square and get a handy overhang for lining up on different surfaces. Depending on the square, you can set it to 90°, 45°, parallel, or even 60° and 30° angles.
- Pair with Monster Squares to turn them into a speed square for quick layout work
- Mount off the edge of a table for vertical or perpendicular positioning
- Raise the square off the surface to add clearance while fitting or welding full frames
- Pro tip: Marking parallel lines? Pair with our shims for perfect spacing every time.
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It depends on where you are. Orders processed here will take 5-7 business days to arrive.
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Product
If you need to return or exchange an item, please contact us
with your order number and details about the product you would like to return or exchange. We will respond with instructions for how to proceed from there. Returns will be accepted within 60 days of receiving it. No returns outside USA on any tools. No returns on tools or any components
that have been modified outside of Fireball Tool.
Love your Fireball Tools Guarantee
100% satisfaction guarantee - 60 Day Return Policy (For USA Only)
If for any reason within your first 60 days you don't love them, you can send them back.
(Not valid for Table Toppers or Plates)
It depends on the creator and the product. All options are outlined on the product page, so look out for customization options there.
Any question?
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