The LH0913 Etlin Daniels FL010X-CN is a G13 medium bipin socket / tombstone / lampholder for T8, T10, T12 tubular LED or fluorescent lamps. It is non-shunted and is straight insertion to accomodate even "U" shaped lamps. The FL010X-CN has "quick connects" for easy wiring and is supplied with a screw for mounting.