Garrett 5″ x 8″ DD PROformance Search Coil for Ace Metal DetectorsDescription: Fully Submersible 5x8" Search Coil from Garrett, Compatible with Garrett ACE Series and CSI 250 Designed for working in tight spaces, working through rocks and in trashy areas and is very sensitive to small pieces of gold. Can dramatically increase your chances of finding gold even in the highest mineralized soils. It equals in its ability to find coin, relics, rings, jewelry in all soils including beaches. Works with the Garrett ACE 150,