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Aluminium Backer Pads

For use with diamond discs, sandpaper discs, and felt wheels. Aluminium backers reduce distortion on straight edges. Maximum speed: 4,000 RPM.

Size Type Nut Part #
3" Aluminum 5/8"-11 158773
4" Aluminum 5/8"-11 158774
5" Aluminum 5/8"-11 158775
Warning: This product can expose you to chemicals including nickel and crystalline silica, which are known to the State of California to cause cancer. For more information go to