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The 3M 66778 is a durable and effective disc designed for grinding and finishing tasks. This product features a 36+ grit and is made from high-quality materials with a unique Roloc attachment system.
The 3M 66778 is ideal for trade professionals seeking reliable abrasive performance for their projects.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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