Enlarge Minelab 17 "DD FBS II coil for CTX 3030 series 0 Out of stock Notify Availability Buy in 1 click Add to favorites Compare The waterproof 17x13" oval Double-D coil provides maximum depth for specialized treasure hunting. It is also great for wide ground coverage in open areas. Protective plate included....Readmore The waterproof 17x13" oval Double-D coil provides maximum depth for specialized treasure hunting. It is also great for wide ground coverage in open areas. Protective plate included.... More description and characteristics ↓