Gardai are investigating a break-in to a house which is under construction at Drumacon, Castleblayney.
The incident occurred in the early hours of Friday the 20th March.
The culprits took an expensive Hilti drill in its box, which had “up” and “down” written on both sides of the box to indicate the correct way to store it.
A red crowbar was also taken during the incident.
Castleblaney Gardaí are appealing for information and can be contacted on 042 974 7900.
Gardaí are reminding the public that it is advisable to have photographs of all your valuables and to retain make and serial numbers.