Sieger Long Life 20

'The Sieger Long Life knife sharpener, made from synthetic ruby, is 20 times harder than hardened steel. Its most notable feature is high efficiency: it sharpens faster while producing an exceptionally fine edge that holds its sharpness longer. Because it’s solid synthetic ruby rather than a coating, it’s more durable than many diamond sharpeners. The sharpener can be used dry or wet and is easy to clean with a sponge. Sharpening tube length: 20 cm.'