I removed an old bathroom door handle, the handle consisted of backing plate, the handle and a an internal locking mechanism operated by a small knob on the backing plate. Looks like this
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the locking mechanism is internal it only needs a std tubular latch, like this
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I am dambed if I can find a new replacement - these days they are not supplied with the same internal mechanism, they require fitting a lock mechanism into the door
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know where a good old internal lock is?Thanks