Manual Thumb push Pepper MillProduct Details: USE IT WITH A SINGLE HAND This set does not require batteries and is made with a ceramic grinding mechanism for fine or coarse grinding based on your preference. Just push the button. It is thumb operated which makes it easy to use it with a single hand. These beautifully finished grinders look great on tables or near the stovetop and work great with black peppercorns, sea salt, Himalayan salt, spices, and gourmet table seasoning. So