As above nails it. It was worth it to me - mostly to turn loose from the vice and clamp to a desk.
In my love of gadgets I have a Forster manual case trimmer with two bases of different lengths and a full set of collets mounted on a piece of wood and a Forster base used in a drill press for bulk power trimming to go with a fancy stainless micrometer Wilson. Where available scraps of counter top make great bases for incidental tools. I haven't had any issues with the Wilson case holders but rumor says that like resizing dies and other such occasionally the case holder is not always a perfect match for fired cases. I'm more inclined to use the Wilson as I age and prep fewer cases at greater leisure.
