News Bulletin January 4th, 2019 | Technical Service Bulletin Posted on January 4, 2019January 4, 2019 by The Outdoor Plus TOP will NO LONGER be selling ceramic coated balls. TOP will still be offering the Steel Balls without a ceramic coating on them. You can find our steel balls via the Ornaments page on our website. The part number for the steel balls we are currently selling/producing is OPT-SS7. What is COR-TEN™ Steel?