This 7-position I/O Circular Connector has a keyed mating alignment and threaded coupling mating retention. It has quick connect/disconnect capability with thread assist.
pack of 2, 12mm Hex wheel adapter for 6mm shaft
light-weight aluminum shaft adapters convert a typical motor output shaft into a 12 mm hex shaft that is compatible with many RC wheels.
100 pack of black UV resistant nylon with flexible tape section, pull tight and does not come undone. Length 4 inches.