The LH0058 H.H. Fluorescent 413 is an unshunted, T8/T10/T12 dual socket fluorescent lamp holder is made from polycarbonate and is UL and CSA listed. The LH0058 H.H. Fluorescent 413 has a mounting style of butt on - screw mount and an overall height of 1.296 inches. The LH0058 H.H. ...