This grinder brings both together! You can put two different spices in it, and do not worry the spices will mix together, cause the they are separated by the slot which in the middle of the grinder. Do not need 2 Grinders anymore! The pepper mills grinder are equipped with 2 ceramic grinder system to ensure quick and smooth grinding. The top and bottom are made out of a durable stainless steel and the body is made out of strong clear acrylic that lets you know how many spices remain and when it's time to refill. Simply seal it by the cap after finishing using your salt and pepper mill to lock in the flavors & keep your salt & peppercorns fresher longer. The cap also can reduce moisture entering your salt or pepper and guarantees that no dust, residue, gives you a healther cooking.