(6 turns of 1x0.5mm + 1 turns in parallel 2x0.5mm) = 9 turns. The frame can work with pulse metal detectors: Clone Pi W, Clona PI AVR, Pirat, Koshey, K-5i, Tracker PI and others.
From the frame to the control unit there is a cable 2 meters long with a connector GX16-2p; the counterpart of the connector will be complete with a deep cable reel. To work with this frame, you will need to make a frame from plastic pipes, or wood, without using metal near the search cable!
Examples of designs in the photo gallery! This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Metal Detector Accessories". The seller is "grisha_iskatel" and is located in this country: UA. This item can be shipped worldwide.