Coiltek 14" Mono Elite Camo Search Coil for Minelab SD / GP and GPX Metal Detector New innovative Mono size 14" round (350mm) in diameter -Weight: 1130 g or 40 ounces approx Suits the Minelab SD / GP / GPX detectors. Extremely sensitive and quiet in operation Sharp and bright response to targets Optimizes the SD, GP and GPX Minelab Metal Detector performance