These are the most important tools that you
will use in this installation.
Always use
eye and ear
protection!!
Installing an inside cylinder on an existing mortise lock can be
frustrating to center correctly. The HIT-21 will make the job fast, accurate
and easy. You don’t even have to take the mortise lock out of the door.
Just remove the outside cylinder, thread the HIT-21 into the mortise case
until it contacts the mortise cavity on the opposite side. Next drill a pilot
hole then come from the outside in with a hole saw. Nothing could be
easier!
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