6" Diamond Polishing pad 16 and 1 3/8" stone core drilling bit granite concrete

(a) 16 Pieces of 6"Diamond Polishing Pad for granite marble concrete. Remind: The velcro pad holder, core drill bit arbor are 5/8"-11 thread. Velcro backer's max capacity / velocity is 5000 RPM. Important Remind: Velcro backer's max capacity is 5000RPM.

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