Coiltek 10" x 5" Search Coil for Minelab CTX 3030 with Coil Cover and Nut n Bolt provides excellent sensitivity and target separation complementing the detectors ability Size: 10" x 5" / 42mm x 138 mm Weight: 18.7 oz / 30g Compatible Metal Detector: Minelab CTX 3030 Coil Cover and Nut n Bolt included