52" three part drill bit that is designed to drill a 3/8" raceway from the edge of the door at the hinge or other EPT location to the lock. One end of the drill bit is bullet shaped with a small hole bored through it so you can easily route your pull wire from the doors edge to the lock. This extended drill bit can be easily broken down for easy storage. Replacement threaded drill bit tips (DRBIT) are available.
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