(b) 1 Piece of 8mm x 25mm Diamond Mortar Raking Bit. 5/8"-11 Female Thread arbor. work length: 25mm. Total length: 55mm. used to remove mortar between bricks and stone. (a) 1 Piece of 4-1/2" Diamond Double Row Grinding cup wheel for stone concrete travertine surface grinding (5/8"-11 Female Thread arbor).
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