DYMALUX WOOD. FILLET KNIFE MADE FROM 1095 HI CARBON SPRING STEEL. THIS MATERIAL PROVIDES A THIN FLEXIBLE BLADE MAKING IT AN EXCELLENT FILLET KNIFE. ANY TYPE OF KITCHEN OIL WILL KEEP THIS KNIFE LOOKING. ANZA KNIVES SHOULD NEVER BE PLACED IN A DISHWASHER. MAKE SURE TO DRY KNIFE AFTER USING. HI CARBON CAN RUST & DRYING AFTER USE REALLY HELPS... BUT THEY SURE DO SHARPEN WITH EASE AND HOLD A GREAT EDGE. BLADE IS BLUED. COMES WITH A # 5 VERTICAL SHEATH