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I have several of this cutting wheel style of marking gauge, including one with dual rods for marking mortises. They have largely replaced my old wooden gauges, both shop-made and purchased, simply because they are better at retaining a measurement as I go from one board to the next. I was attracted to this model because of the fine adjustment, and it doesn't disappoint. I used it to mark out a series of rips on some half-inch red oak, and when I was done,the only variance was attributable to me. Being more accurate than me isn't all that much of an achievement, but it challenges me to cut a finer line.
Really nice value and build quality. Was noticeably better than my old one that had just broken. The fence has a solid feel. Double thumbscrews, micro-adjuster, and a flat on the fence to prevent rolling are great quality of life improvements. The notch that orients the rod in the fence is also great - cheaper gauges don’t have this, so you need to fumble to read the scale. Not an issue with this gauge!