Precision Systems for the Electronics Bench SOLDERING, DESOLDERING AND REWORK SYSTEMSSP440 SP440 Desoldering System Since 1982, OK Internationals Metcal brand has been the industrys single source of high-performance, precision systems for the electronics bench. Always ahead of the competition, Metcals soldering/desoldering stations, BGA/CSP/QFP rework equipment and fume extraction systems continue to set the standard for reliability, flexibility and cost-effective performance. By listening to customers, focusing on their specific needs and working as their technology partner, we continue the quest for excellence, economy and innovation aimed at helping each customer meet increasingly complex electronics manufacturing challenges.