9" X 4-1/2" X 5/8" Blade, 4-hole, Reversible

Simond #80869 9" x 4-1/2" x 5/8" Chipper Knife for Altec/Asplundh Simonds chipper knives have set the industry standard for quality. Simonds chipper knives are manufactured in Big Rapids, Michigan using state of the art equipment. Chipper knives are made of A8 modified steel, giving their chipper knives the best balance of abrasion resistance, cutting edge retention and impact resistance of any material available today. Each knife goes through a heat treat process that allows them to control the hardness of the cutting edge while maintaining the softer, more ductile, center very accurately