On close inspection they are obviously more cheaply made than more expensive keystones, but once installed nobody will know the difference

My favorite keystones to use, very easy to handle and punchdown, have ordered over 500 of these and have never had a bad one.

These will be used on our patch panel as they are still good keystone's

Solid keystones

determine).When you are mounting this alone, or in a 2-keystone jack (top / bottom) plate, there are no issues, everything seems copacetic