The Jet 708801DX 6-inch Jointer Knife Set is a replacement blade set for the Jet 708457DXK. High speed steel blades can be resharpened with ease. The Jet 708801DX is sold as a set of three knives. Features: * High-speed steel construction means longer cutting life between sharpenings * Knives are hardened and tempered to 62-64 Rockwell for durability * Precision-balancing ensures quality cuts every time What"s In The Box: * Jet 708801DX 6-inch Jointer Knife Set