Tungsten carbide in its naturally occurring form is a silvery white substance. A lot of people, however, want the combination of the natural strength and power of tungsten carbide in a black ring instead. For those customers, we employ a technique called (physical) Vapor Deposition. This is a very high technology process in which a material is deposited on the surface of another material almost atom by atom, creating a very, very strong bond. In our case, we deposit black titanium zirconium on the surface of the white tungsten.This is a very strong process, this plating is way stronger than any other type of plating, however, it can still wear off over time, and it's not as scratch resistant as tungsten carbide.If you have an active lifestyle and want a non-silver (black, pearl white, pink, etc.) band, we recommend you go with a ceramic band instead.