Triple mag mount 3/8th socket coax and PL-259
The MFJ-336T Goliath Tri-Magnet Mount has three super strong 5-inch magnets bolted to 1/4 inch triangular mount. It has 17 feet of coax cable. CAUTION: Once its on, its difficult to get it back off! The MFJ-336T has a 3/8" connector.