The Berkel 403375-00107 Washer & Screw Assembly functions as a part of 807 and 808 models to provide both secure attachment and smooth operation of the knife within slicer machines. This essential washer and screw assembly provides high-quality performance by keeping the slicer knife securely attached throughout operation. This protects equipment from damage which results in longer equipment durability. This assembly provides ideal performance when users require dependable components that ensure efficient operation of their slicers to deliver consistent results and reduce operational stoppages thereby increasing improve kitchen productivity.