3M 1 Inch Dual Lock Backed 400 Grit Diamond Disk

3M's 1 inch Dual Lock backed diamond disks are used with 1 Inch Dual Lock mandrels for easy removal of glass from small areas to prep for polishing. Dual lock attachment is stiffer than Velcro backing, but holds longer and more effectively.
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Customer Questions
What is 3M's Dual Loc attachment system?

3M's Dual Lock backing is a system of mushroom shaped plastic pegs aligned onto the backing material and on the mandrel. The diamond disks "snap" onto the mandrel and are held in place until you pull them free. They have a tremendous amount of shear ...

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