A replacement blade for Porter Cable model 557, this rugged blade has 6 strong carbide teeth for reliable consistent cuts with every pass. It features a 7/8" arbor hole and 4" diameter blade for rapid and efficient cutting of standard biscuit slots without sacrificing precision or control. To help reduce future replacement costs, this blade can be resharpened. It affixes and detaches with minimal effort. Fits Porter Cable models 556 and 557.
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