List Price: $44.99
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From the producer-Diamond-coated segment saw blade, 2-1/2-Inch, 1-Piece, Sonicrafter 2-1/2 "diamond blade. 1-2-1 / 2 piece blade "diamond coated. Used to mark and cut for a precise measurement in base plates, ceramic and stone.
It can be used with SoniCrafter Rockwell. Read customer review 
Tags: 1Piece, 21/2Inch, Diamondcoated, disk, Rockwell, RW9127, Sonicrafter