I just suggested (mainly) anti seize for the bolts holding the blades on,,,, Home owners seem to have a problem removing old blades as they become seized after many hrs of wet grass working on them ,,,,,, I use the Blue Loctite,, Not the Red for a lube and good holding power,,,Hope ,we helped the average home handy man mechanic ,,, My arsh loves my Ferris (smile),thanks h a n d