Letter Plate Blocker

This is an internal blocker for letter plates/ letter boxes.Made to fit standard UK door letter plates, it fixes inside the plate within the door to prevent the letter box being used.For anti-theft, anti-interference and anti-post!place the front plate inside the post box on the front of the door.Place the rear plate likewise behind the door. use the bolts to secure the plates in place, ensuring it cannot be removed from outside. On Thingiverse at: https://www.thingiverse.com/thing:6950026