Dunlop Polish & Cleaner A must on the workbench. This formula removes wax build-up, dirt and grease while polishing and protecting the instrument's clear finish. With 651 Polish and cleaner, no layers are formed, which makes it perfect for musicians who clean their instruments every day. Dunlop Lemon Oil cleans, cares and oils your fingerboard with a fresh scent of lemon. Dunlop Polish Cloth is an untreated microfiber cloth and consists of 80% Polyester / 20% Polyamide. Perfect for applying lemon oil, polish and string cleaner.