The Metal Polish for Nickel Plated or Unlacquered Brass Finishes enhances and protects your brass and nickel finish instruments. This specialized polish gently removes built-up tarnish and grime from your brass and nickel plating while imparting a protective barrier to prevent future buildup. You'll restore the original luster and shine to your instrument and prevent premature aging. Specially formulated for musical instruments, this polish is non-toxic, odorless and leaves behind no greasy residue. Simply apply with the included polish cloth, buff away tarnish and dirt and you're left with an instrument that looks and plays like new.