The Fellowes Powershred Performance Oil extends the shredder life and conditions cutters for a more efficient performance.Shredder maintenanceThe plastic squeeze bottle with extended nozzle allows you to get complete coverage of the shredder blades.For the best performance your shredder should be oiled each time the wastebasket is emptied or twice a month.The Fellowes Powershred Performance Oil is for use with all cross-cut and micro-cut shredders.