Description Every day's a good day for hanging at Zircon, as long as its customers are hanging a picture. Zircon's flagship product, the hand-held StudSensor tool, finds wall studs electronically and has become one of the world's top selling electronic hand tools. The company's brand names include MetalliScanner, Circuit Finder, LaserBall 360, and Leak Alert, among others. Zircon designs, manufactures, and markets more than two dozen high-tech hand tools that sense, scan, level, and measure. The company offers two product lines, one for do-it-yourselfers and one for building professionals. Most of its products, including some private-label tools for retailers, are made at its plant in Mexico. Zircon was founded in 1975.