The Duo salt and pepper mill by Trudeau allows you to grind pepper on side, and salt on the other. The mill comes filled with both peppercorns and salt and measures 8 inches / 20cm. The salt and pepper mill combo features a carbon steel grinding mechanism to grind peppercorns and a ceramic grinder to grind salt. The mill has an eye-popping chocolate-wood and stainless steel finish and comes in a luxurious gift box. The Duo mill has a 5 year warranty.