The Minelab 15x12" Monoloop Commander Coil is a high-quality search coil designed for use with GPX, GP, and SD metal detectors. This semi-elliptical coil features a 15" x 12" size, making it ideal for detecting a wide range of metals with precision and efficiency. With its monoloop design, this commander coil offers superior performance and sensitivity for a variety of detecting applications, whether for hobby or professional use. Made by the trusted brand Minelab, this coil is a reliable and essential accessory for any metal detector enthusiast.