The following videos were created within the last 6 months to address our frequently asked questions. Facebook Twitter Youtube Linkedin Pinterest Instagram How do I tighten my Arc-er Head Properly? Can I disintegrate an Axle Shaft Pin with an Arc-er Head? What is the Difference between an Arc-er and IQ Head? When should I replace the coolant in my metal disintegrator? How can I remove a small broken screw from Aluminum? How do I adjust the Auto Feed on my Metal Disintegrator?