ideal. shredder oil is a specially blended non-toxic high-cling non-detergent oil formulated exclusively for ideal. shredders. It is recommended that shredder blades be oiled for every 30 minutes of operation for cross-cut shredders and for every hour of operation for strip-cut models.Oil helps your shredder run smoother faster and quieter and puts less strain on the motor gears and bearings.