Q50S - BLACK SHINNEY- QUAMARQ50S Q50S is a professional coffee grinder with 54 mm flat blades which can grind up to 1. 5 kg of coffee powder per day. Economical, compact and user friendly, it is ideal for low consumption products such as decaffeinated coffee or special brews. he excellence of particular K Matt Black Shiny Black White Red Alluminum COFFEE GRINDER ON DEMAND WITH TIMER AND PUSH BUTTON The Q50S can be equipped with various optional accessories such as coffee powder