The LH0519 Leviton 13353-N is a G13 medium bipin lampholder / socket / tombstone for T8 or T12 LED or fluorescent tubular lamps. The nut and the screw are included. The Levtion 13353-N is designed to be screw mounted but could also be slid on.. It has quickwire connections for the ballast leads.
Link to T8,T10,T12,lamps that fit this socket