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Title: As the Monty Python group said "run away!"
Review: These look identical to the ones installed in my Mother's new home. Within a year they were jamming. With a little bit of use, the friction built up and they became hard to retract.First, the catches are not balls, they are non-rotating bullets, made of very thin metal.Good news is that they were easy to install. Drill a 1 inch hole in the door, and hammer the catch into it. Surface mount the strike plate. No mortise work required.It is a bit harder to pry them out and throw as far as possible.
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