Pfeil carving tools and Pfeil carving tool sets are "Swiss Made." Swiss Made implies reliability and precision. Pfeil carving is undoubtedly the finest carving tool on the market. Pfeil carving tools are second to none in terms of manufacturing quality and durability. The superb quality of our exclusive "Swiss Made" tools is also available to chip carvers. Forged of special alloy tool steel, blades hold their edge longer than most other knives of this type. Pre-sharpened for immediate use. Overall lengths between 5-1/4" to 7-1/2". Rc 57-60 hardness.