4 inch velcro to velcro backing

The Hook to Loop velcro spacer is used to give more cushion to the thinner 4 inch electrostatic diamond disks to allow for better surface prep with these disks.
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Customer Questions
Is there any special handling for 3M's electrostatic diamond disks?

Not really. You use the electrostatic diamond material the same way you would any other diamond material. Be sure to use a proper amount of water and go to work.  If you're using the electrostatic diamond material as a belt, you should be aware that...

What's the difference between electroplated and electrostatic diamond disks?

Electroplated disks have diamonds that are locked into place with a layer of nickel that is grown up around the diamond in a chemical bath. The diamonds are rigid and will give a very aggressive grind on your glass. These are generally used for rough...

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