At the job site in Roebling, NJ. We'er making to main bldg. into a museum. Mr. Robling invented wire rope (cable) & this is where it was made. He's most famous for the Brookling Bridge (the first bridge to use steel cable). But cable for most of the suspendtion bridges acrossed the US was made here.
This is Project Home Safe lock, now called Project Child Safe. If you go to their site you can find out how to get them, they'r free & no questions asked.