Door Thickness – Suffix 1-3/4, 2, 2-1/4, 2-1/2 or 3
When ordering L product for lead lined doors, the
thickness of the door must be given. The purpose
of the L product is to have screws spaced so that
they straddle the lead in the center of the door. Also
used when lead lining is under the skins of the door.
Recommended for use on extra heavy or high traffic