The LH0366 is a 2G11 horizontal lamp support clip. It has a screw down mounting and is for biax, P.L.L. and long twin tube lamps. The LH0366 is designed to take the stress off of the lampholder socket. It is similar or equal to the American DeRosa D3612, DM Technology BLS36-02, 59011 and the Lithonia U079908.