What we like: "The GK40 is a nice big DD coil, great for covering more ground on the dry sand at the beach, or in an open field where targets may be more sparse and deeper underground"
Part Number : 17000131
Description : Waterproof DD Search Coil
Size : 40 cm x 33.5 cm / 15.5" x 13"
Including coil cover and coil mounting hardware.