can you lead lined GJ over head?

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Lead lining is not needed, since the channel or through bolt is solid and the x-rays will not penetrate the solid metal.
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.
Special template ST-2211 is used to mount a 2030 series closer with a GJ 70,79,81,90, and 450 series overhead stops. This ST works with any GJ "surface" mounted stop. The 2030 closer cannot b...