I got this one quite a few years ago from Rob at Simply Rugged. I ordered 3 1/2" N Frame with minimal stamping, and within 3 or 4 days I received this, and a note from Rob, "This was one I made for myself, a 4", if it works for you no extra for the full basket weave.
I've carried a 3 1/2" Pre 27 and a 3" Mod 24 on many occasions. I always carried it (with the .44 and shot loads), when prairie dog hunting. Bee there all day, and carried so well I'd forget I had it on even with the weight of the N Frames.