Journal
Notes from the bench.
How the tools work, what the threads mean, and why the materials are what they are. Written by the people machining the parts.
How an auto hammer attachment works
What an auto hammer attachment does on a dented panel, where it fits in a paintless dent repair, and why it beats buying a second hammer.
September 20, 2026
Tips and threads: getting 5/16-18 right
Why 5/16-18 is the thread standard on PDR tips, what fits what, and how to keep the threads on your tools and tips clean.
September 20, 2026
Aluminum knockdowns: what they're for
What a knockdown does after a dent is pulled, why aluminum is the right material for the job, and how to pick a size.
September 20, 2026
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