Metal Halide Small In-Ground Well Light; Housing Base 6.125"W. 6 inch usable 150° C 18-AWG wire leads and ground leads. Isolated sealable wiring compartment. Cover has (2) threaded 3/4" NPT entries for conduit re-attachment. Encapsulant potting compound included. Thermoplastic composite resin with molded ribbings prevent ground shifting. Clear lens. 120 degree Alzak finished aluminum reflector.