The LH0056 HH Fluorescent 1-526W-2 lampholder socket is a T8/T10/T12 G13 medium bipinbolt down linear fluorescent tombstone lamp holder.
It is made of polycarbonate and is UL and CSA listed. The LH0056 HH Fluorescent 1-526W-2 has a screw down mounting style, "V" lock, unshunted and has a quick connect wiring method. It is 2.063 inches tall.
Link to T8,T10,T12,lamps that fit this socket