Weight 25.93 oz, 735 g. Circular Double-D (DD) Coil Search coil absolutely waterproof Improved stability and sensitivity to highly mineralized soil. Lightweight construction Screw-On Connector Search depth and ground coverage compared with standard coils increased to 50% (depends on metal detector manufacturers). Extremely robust coil mounting bracket Coil outer shell and face made from impact resistant composite materials which also UV stabilised. The item "Arven 15 DD Search coil for QUEST Q20 Q40 X5 X10 Metal Detectors" is in sale since Wednesday, November 4, 2020.This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Metal Detector Accessories". The seller is "deteknix" and is located in EU. This item can be shipped worldwide.