How are Electro Arc’s IQ and Arc-er Heads different?

https://youtu.be/LCu222MOXAo The Arc-er disintegrating head is great for portable use and offers the versatility to disintegrate at any angle.  Chuck this head to your machines like a drill press or use it with one of our fixtures. You can remove broken tooling from .079 to 3/4 inches in a single pass with the Arc-er disintegrating

What are the Features of Electro Arc’s model 2-SQT?

The Electro Arc model 2-SQT AC portable metal disintegrator features our 2-S cabinet for easy mobility. This model comes with our IQ head which can disintegrate taps as small as 0-80 inches and up to 2 inches in one pass. Disintegrate larger tooling in multiple passes. This disintegrating head comes with our auto feed option