Fellowes® Powershred® Shredder Lubricant conditions the cutters to extend the life of your shredder. For best results oil shredder each time you empty the wastebasket or a minimum of twice a month. 4 oz plastic squeeze bottle with extended nozzle ensures complete coverage. For use with all Fellowes® cross-cut and micro-cut shredders. Use to help make your shredder last.