keypad lock lead lined

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The door template L1 states: "Lead Lining: When L9000-Series or L400-Series locks are ordered with lead lining, add 1/8" to the width of the mortise cut-out on the lock case cover side of installa...
XL11-515 is an option for lead lining on the L9000 series mortise locks. XL12-216 is an option for lead lining on the L400 mortise locks.
Ives does not offer any lead lined pivots.  Some of the Ives pivots can be used on lead lined doors such as the 7230F, 7237F, 7230F/7237F Int.  The hole pattern for the mounting screws are offs...
Lead lining is not needed, since the channel or through bolt is solid and the x-rays will not penetrate the solid metal.