It is a plastic tool that fits in any preexisting circular whole and the operator choose any size up to cut , it provide stability for the drill but from swerving and scratching the paint, it saves hours of work and no paint is required after
It is aplastic molde in cone shape that has stepping by 3mm from the top to the bottom , it has a plastic tube in the center that holds the drill bit and the tube is connected with fine linking from top to bottom , operator is able to choose any size up and cut it to the required dimensions, then install the new size whole saw around it for steady cutout , it is disposable and can be reusable if required.
Problem this idea/invention addresses:
It save a lot of money and time on upgrading preexisting down light cutout size
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