The EVE PT Polishing rods/pins are very popular and designed for cleaning and polishing platinum and titanium castings as well as obtaining a smooth and polished finish in hard-to-reach areas.  All are silicon carbide bonded abrasive in a polyurethane carrier and are quite flexible.   Can be used at low speeds to produce small subtle results or use them at higher speeds for vigorous results.  Easily can be shaped for desired use by using an EVE Diamond Dressing Stone (1451240).  Rods measure 1” in length and 3mm in Diameter.  Use them in our polishing rod 3mm mandrel (14512180.  For polishing other precious and non-precious metals, consider the EVE EVEFLEX rods/pins (Dark Brown, Blue, Dark Gray, Reddish-Brown and Green).