Fellowes Powershred Performance Oil. 12 ounce plastic squeeze bottle with extended nozzle ensures complete coverage. For Cross-Cut and Micro-Cut shredders.Regularly oiling your Fellowes shredder maximizes performance and extends shredder life. It is recommend you oil your cross-cut shredder, each time you empty the waste basket, or at least twice a month. Your micro-cut shredder should be oiled more frequently; ideally after every 15 minutes of use.