We have a Trioving 5312 with no keys, what parts do we need so it can be locked? The handles are good and we can lock it from the inside with the knob.
If everything else is working OK then you only need to buy a new cylinder, these come with 2 keys but there is an option to order more when ordering. You may also need the cylinder fixing screw if it's missing from the 5312 lock case. Please find below the product links:
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