1.HIGH QUALITY MATERIAL and MECHANISM: High quality natural and durable wood, non corrosive and high strength ceramic rotor. 2.ADJUSTABLE COARSENESS SETTING: Both salt and pepper grinders can be manually adjusted that allows both fine and coarse grinding. Turning clockwise is fine and counter-clockwise is thick. Note: Avoid twisting too tightly to prevent from damaging the core. 3.COMPLETE PACKAGE: Complete seasoning package includes 1 Salt Grinder, 1 Pepper Grinder, Wooden Stand 4.DESIGN and FUNCTIONAL: The ergonomics wood body is made with smooth shape which makes motion easier, simpler and more effective.