The ESM 3520720 Knife Back is a genuine replacement part designed for ESM cutting systems used in various agricultural applications. This knife back ensures the secure and stable attachment of cutting blades, critical for efficient and clean harvesting or mowing operations. Manufactured to OEM specifications, it provides durability and precise fitment, contributing to the longevity and optimal performance of your machinery's cutting mechanism. Ideal for maintaining the integrity of your ESM cutting unit.