I bought a jar of Grimracer marine grease several years back for the cable but, for the strut, I use a whitish colored lithium based grease from the auto parts store. I found that it and the Grimracer were, more or less, the same stuff. Some people prefer to use a heavier grease used in outboard engines and outdrives, others a mix of transmission fluid with other lubricants. Just remember, the heavier the grease, the more power it will take to spin the cable and the shorter the life of the batteries and motor will be