Tungsten Carbide Matt Black Silver Bevelled Edge Ring in Size W. Approximate Dimensions: 8mm Width.
'Tungsten' is derived from a Swedish phrase meaning 'heavy stone' in honour of its weight and strength. On its own tungsten is brittle but when chemically bonded with other elements it becomes 'Tungsten Carbide' which is then a metal alloy with superior strength, hardness, and durability. It rates 9 on the 'Mohs' scale of mineral hardness (with 10 being the hardest), it is 3 times harder than tit...