1 3/8" stone Core Bit 40 Polishing Pad 10 lapidary saw blade granite concrete

Remind: The velcro pad holder and core drill bit's arbor is 5/8"-11 female thread. (d) 1 Piece of ( 5/8"-11 female Thread arbor ) 4" Velcro Backer/Pad Holder. 8 X Grit 50. - wet or dry use. - 3.2mm thickness.

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