Larsen - Thick Mount Antenna with 17' RG58A/U Cable NMO THICK hard mount kit for mounting through surfaces up to 1/2 inch thick Includes 17ft coax attached. This nickel, copper and zinc alloy permanent mount is for a 3/4 inch hole in mounting surfaces up to 1/2 an inch thick. Special application NMO mount for mobile antennas 0-1000 MHz in thick surfaces PL-259 connector sold separately.