POWERTEC 148033 6-Inch HSS Jointer Knives for JET 708457K JJ-6CS, Set of 3 Replacement blades for JET Jointer 70845K, JJ-6CS Made of High Speed Steel for longer cutting life Single edge A set of three; plastic case packaging Blade dimension: 6-Inch x 5/8-Inch x 3/32-Inch