When I have small holes to cut with my torch, I clip on this handy attachment. I used a ball bearing, removed the grease and pressed it into a steel housing that protects the bearing. I can cut holes 1 1/2" to 5" in tight spaces. Great little time saver!!
That's neat! Is there a bolt in the center where the beginning of the radius is? How do you keep it square /perpendicular while cutting? Thanks for sharing!
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