Hannabach Guitar Care Product Fret Polish / Fret Care Set - SetCare set with polishing cloths and fingerboard covers for fingerboard care. In elegant aluminium box with Hannabach logo. Contents: 2 care cloths (90x55 mm) for cleaning dull or rusted frets and hardware. Contains micro abrasive and wax. Polishing turns the cloth black, but this hardly affects the cleaning ability. Please do not wash. Fret cover sheets to protect the fingerboard from dirt during use. 2 coated sheets with slot for 2. 0 mm . 080" frets.