Need a locking door handle

Thanks for posting. At first glance I'm a bit perplexed about your handle set. Is the keeper that you show in your photos, which resembles something like the 89-009, what the handle set interfaces with? I'd like to see the actual latching mechanism of the handle set. The hole spacing, or the distance between the center of each mounting hole on the handle set, would also be helpful to know. There's a reasonable chance our 82-306 outside keyed pull might work for you, but those requested details will help confirm one way or the other. 

That is a huge help, thank you. I think our 82-005 surface mount handle set is a match for your original. As mentioned above, if all you needed was an exterior key lock then our 82-306 is also a good option. Look these over and see what you think.

Great! Just let us know if you need anything else.