CenturionPro 3.0 Variable Speed UpgradeFind your speed and upgrade your elite trimming system with Variable Speed Control. Variable Speed Control empowers growers to better trim a wider variety of strains, regardless of flower size, shape or density. Increase velocity for a higher feed rate with wet or heavy resin coated buds, or slow it down to be extra gentle on dried flower. Key Features: Slower the speed, better and gentler dry trim Faster the speed, tighter trim for wet product Strain