NFC Tag Keychains

Collection of NFC Tag Keychains available in 3 shapes:nfc-tag-teardrop: a 38 × 30 mm teardrop tagnfc-tag-rectangle: a 36 × 30 mm rectangle tagnfc-tag-square: a 32.4 × 32.4 mm square tagEach tag has a threaded slot in the back made to accommodate both an NFC tag as well as the the nfc-tag-screw model which can be screwed in or out using a coin (less than 2 mm wide). The pocket left once closed in 0.6 mm high allowing you to use either a 25 mm NFC sticker or a 25mm NFC PVC card.AssemblyTo build a