Drilling guide for a hand drill comprises a ring that is fixed to the drill and has three attached spirit level bubble elements that enable a user to ensure the drill is perpendicular before and during drilling

摘要

Drilling guide (1) for a hand drill comprises a ring (3) that is to be mounted on a fixed part of the drill. The ring has three spirit level bubble elements (41-43) and means for secure aligned locking of the ring to the drill.