Kyocera 5-pc. 5-pc. Bamboo Knife Block Set Type: Cutlery Accessories Features: Material: ceramic, zirconium oxide, ABS resin, solid bamboo,Exclusive Kyocera Zirconia 206 advanced ceramic produces a stronger, dense blade,Kyocera's advanced ceramic is second only to diamonds in hardness and is 50% harder than steel,Blades stay razor-sharp 10 times longer than conventional high-carbon steel knives,Lifetime warranty on cutlery; Lifetime complimentary sharpening Material: Porcelain & Ceramics |