I have four of these cheap manual coffee grinders on the back of the stove with black pepper, long pepper, semi-smashed five spice mix and the other one I use instead of the mortar and pestle when making any spice mix
I use a manual coffee grinder for my long pepper
https://www.amazon.com/PARACITY-Grinder-Stainless-Aeropress-Espresso/dp/B08QRL9Q4Q