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Answer: Pad savers prolong the life of the backing pad.
Mirka's pad savers are layers of hook and loop material, which are designed to be the "wear and tear" layer of a backing pad.
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Do Mirka sanders come with a pad wrench?
Answer: A wrench is supplied for changing the backing pad on a Mirka DEROS, Mirka PROS or Mirka ROS. You can find it located in the original packaging of the sander.