3M - Finesse-It Marine Paste Compound - 1 Gallon - 06039. 3M Finesse-It Marine Paste Compound reconditions boats with heavily oxidized surfaces to restore the appearance of the gelcoat. It also removes P800 sand scratches production gelcoat and grade 1000 or 1200 sand scratches on tooling gelcoat. White color reduces the potential for staining of light-colored boats.. Formulated for boat reconditioning of heavily oxidized surfaces and finishes. 3M Finesse-It Marine Paste Compound brings the appe