The 12x9-inch elliptical footprint covers more ground per pass than the 9

Gain: 5–7 depending on black sand content

plus one screw-on cap for the audio/headphone connector

It handles both charging and data transfer for an impressive lineup of Nokta detectors

Minelab Replacement Coil Bolt Set (2-Pack) Metal Detecting Accessories The 12x9-inch elliptical footprint coversKeep your search coil securely attached with this genuine Minelab Coil Bolt Set. These replacement bolts provide the reliable connection you need between your coil and lower shaft, whether you're hunting beach sand, rocky fields, or anywhere in between. Key Features Secure attachment prevents coil wobble during detection Perfect replacement for worn, lost, or damaged original bolts Compatible with multiple Minelab detector series Quick installation