Cangshan N1 Series 59205 6-Piece German Steel Forged Knife Block Set, Acacia Block Unique ALL METAL Patent Pending Design knives that focuses on ergonomics handle Patent pending cutting edge designed solid Acacia wood block works with the knives tastefully, every block is hand crafted and has its own unique grain X50Cr15MoV German Steel with HRC 58 +/- 2 on the Rockwell Hardness Scale 6-piece knife set includes 8-inch chef's, 7-inch Santoku, 8-inch bread, 5-inch serrated utility, 3.5-inch paring and block National Sanitation Foundation(NSF) Approved