Aluminum 6" & 12" Set
The Mega and the Monster, each in 6" and 12". A small pair for quick setups and a big pair for large frames.
What's in the set
Two squares, each in two sizes. Same features at both sizes.


Mega Square
- Size
- 6" and 12"
- Angles
- 90°, 45°, 135°
- Pieces
- 2 (one of each size)
- Best for
- Tube and corners
- Made in
- USA (12")
- V-block web holds tube
- Corner reliefs for torch access
- Machined 90° and 45° edges


Monster Square
- Size
- 6" and 12"
- Angles
- 90°, 45°
- Pieces
- 2 (one of each size)
- Best for
- Layout and spacing
- Made in
- USA (12")
- Clamps from any side
- Locates tabs, holds parallel
- 12" is 3" thick
One job, two squares
How the set splits up a frame build.
MegaSquare the corners
Mega holds 90°. Reliefs leave room to tack.
MegaHold the tube
Mega's inner web cradles tube like a V-block.
MonsterLock in parallel
Monster sets the distance. Material stays parallel.
TabsStop the twist
Tabs hold parts square through the final weld.
Mega
Mega
Monster
TabsOne job, two squares
How the set splits up a frame build.
- 1
Square the corners
Mega holds 90°. Reliefs leave room to tack.
- 2
Hold the tube
Mega's inner web cradles tube like a V-block.
- 3
Lock in parallel
Monster sets the distance. Material stays parallel.
- 4
Stop the twist
Tabs hold parts square through the final weld.

Two sizes
Pick the size that fits the part. Both sizes work the same way.
- Mega in 6" and 12"
- Monster in 6" and 12"
- 12" squares Made in USA

Tool-free tabs
1/4-20 holes on both sides. Add tabs for a reference shelf that stops twist.
- Tabs go front or back
- Thumbscrews turn by hand
- No $1,000+ flat table needed

Why cast aluminum
Light enough to carry to the job.
- Lightweight for field work
- Rust-proof
- Heat sink on thin material
- Not for heavy impacts. Can dent if dropped
In the box
- 1Mega Square, 6"
- 1Mega Square, 12" (Made in USA)
- 1Monster Square, 6"
- 1Monster Square, 12" (Made in USA)
- +Edge location tabs and tool-less thumbscrews
Edge alignment pins
Not included in this set. Snap on for 90°, 45° or parallel. On the Monster, they make a speed square.
Shop edge alignment pins →Quick answers
Why two sizes?
So you have the right size for the part. Both sizes have the same edges and tapped holes.
Which squares are made in the USA?
The 12" Mega and the 12" Monster.

