N.
Hi B.,
These are similar to the ones we use - http://www.childsafetystore.com/.sc/ms/dd/ee/61/Drawer%20.... They are easy to install since they are a one piece design.
Here is a link that will give you a lot of options for safety latches if those don't suit your needs - http://www.childsafetystore.com/.sc/ms/cat/Shop%20by%20Ro....