Products
| Ceramic | Carbon steel | Stainless steel | Zinc alloy | Nylon |
|---|---|---|---|---|
| Somewhat harder than carbon steel, Rockwell of 55 to 60. | Much harder metal, Rockwell of 50 to 55, will be much more efficient and last longer. | Harder metal, Rockwell of 35 to 40, will be more efficient and last longer. | Soft metal, therefore less efficient. | Will never rust. |
| Will maintain sharpness. | Much greater output. | Will not rust. | Can rust. | Softer material, therefore less efficient. |
| Will NEVER rust even over a steaming pot, will be more efficient. | Plated to avoid rusting. | Can be used with peppercorns. | Can only be used with peppercorns. | Can be used with dry herbs and salt. |
| Can be used with peppercorns, salt crystals, dry herbs and spice. | Can be used with peppercorns. |