Bumper Balls Kit - NEW Plastic Model
Flex bit guide balls for straight drilling in wall cavities
The new and improved Bumper Balls Kit includes a 1 1/2 and 2 in. model. Bumper Balls keep your bits centered and stop you from “bit walking”.
Compatible only with 3/16″ shaft flex bits.
Mfg Note: Please note, no flex bits are included with part number BB1520.
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