I was on a mission to find the best coarse finish grinder for my Storz & Bickel Crafty+ vaporizer, specifically for filling my dosing caps. I wanted a grinder that produced very little fine grind material that would go through the list of the capsule and onto my cooling unit screen. With this grinder I can go 8 caps before having to use the brush. And I mean 8 caps squeaky clean screen!!