It is recommended that most shredders be oiled for maintenance and to operate with maximum efficiency. It is especially important for most High Security shredders. Our automatic lubricating systems offer the most efficient oil delivery system on the market. Easily mounted on the side of your shredder, these units protect your shredder and provide the proper amount of lubrication. Oil capacity: 4 Liters. For use on Models: M-10, M-12, M-16, M-16HC, M-16TS.