Material: Ceramic Length: 210mm(8.3 inches) Wide: 7mmTungsten carbide jewellery provides the best scratch resistance available on the planet.Tungsten carbide jewellery has been referred to as "Permanently Polished".

Material: Ceramic Length: 215mm(8.5 inches) Wide: 12mmTungsten carbide jewellery provides the best scratch resistance available on the planet.Tungsten carbide jewellery has been referred to as "Permanently Polished".