Modern 285mm and 200mm Straight Pull Handle on Square Rose in a super stainless finish suitable for indoor and outdoor use and comes with a 30 year mechanical guarantee. Bright Chrome - Satin Chrome - Super Stainless Steel - Super Nickel have a finish guarantee of 30 years and Super Copper - Super Bronze have a finish guarantee of 10 years . CARE INSTRUCTIONS -wipe with a damp cloth, avoid using any chemicals. Since 1911 Olivari has been manufacturing handles at its own factories in Italy where the entire production process takes place. Starting with brass billets, the handles are forged, milled, polished, buffed, plated and hallmarked with a laser. Olivari has attained ISO 9001 and ISO 14001 certifications. Though it uses the most advanced technology, Olivari preserves all the artisanal wisdom it has accumulated in 100 years of history