Above photo: Before and after size of Renzetti adjustment knob So after working on the Renzetti Master Vise for over two years, I finally decided to mill down the adjustment screw head on the jaws.  Specifically the midge jaws. The knob actually encroaches into the fingernail cut on the midge jaw.  I wanted to create something lower-profile so I could eliminate things from hitting or scraping the edges of the knob. I was turning some bamboo rod hardware this morning, and the knob just kept nagging my brain. My father was an MIT engineer, so it's in my gene code to fix my own problems. The knob is so close to the business end of the jaw that I figured I would eliminate most of its bulk and taper it. It functions exactly the same, and I'm very happy with the results. Now all I have to do is blue it and I'm good to go. The diameter and thickness were taken down incrementally. Having a jeweler's background as well as fabrication helps, but honestly it would not take much fo...