Garrett | 5" x 8" PROformance DD Search Coil for AT Series - CSI Pro | LMS Metal DetectingGarrett 5" x 8" PROformance DD Search Coil for AT Series CSI Pro This submersible search coil from Garrett is designed for metal detecting in tight spaces, while working through rocks and in trashy areas and is very sensitive to small pieces of gold. Whether you prefer the AT Pro, AT Max, AT Gold or CSI Pro metal detector, this coil can be a great replacement or spare. It can also dramatically increase your chances of finding gold even in the highest