Glamorway Classical Wooden Wood Oak Pepper Spice Salt Corn Mill Grinder Muller 8inch Material: Oak shell, stainless steel grinding mechanism 5 Inch: Height: Approx. 5.1inch/13cm Inner Diameter: Approx.1.4inch/3.5cm External Diameter: Approx.1.9inch/4.8cm 6 Inch: Height: Approx. 6.3inch/16cm Inner Diameter: Approx.1.4inch/3.5cm External Diameter: Approx.2inch/5cm 8 Inch: Height: Approx. 8.3inch/21cm Inner Diameter: Approx.1.4inch/3.5cm External Diameter: Approx.2inch/5cm