An accessory tool for an oscillating power tool, the accessory tool comprising: a mounting portion configured to mate with an oscillating drive member of a power tool; a blade portion extending from said mounting portion, said blade portion including a first lateral edge portion, a second lateral edge portion, and a leading edge portion, said first and said second lateral edge portions (64, 66) each extending generally forwardly from said mounting portion, said leading edge portion extending generally laterally between a distal end portion of first lateral edge portion and a distal end portion of said second lateral edge portion; and a first cutting edge portion defined in said second lateral edge portion, said first cutting edge portion including i) a rearward facing portion that extends generally laterally from said distal end portion of said second lateral edge portion toward said first lateral edge portion, and ii) a forward facing portion that extends generally laterally from an intermediate portion of said second lateral edge portion toward said first lateral edge portion; wherein said rearward facing cutting edge portion is at least partially interposed between said leading edge portion and said mounting portion, and wherein said forward facing cutting edge portion is at least partially interposed between said rearward facing cutting edge portion and said mounting portion; characterized in that said leading edge portion includes a convex-shaped portion and a concave-shaped portion; wherein said convex-shaped portion meets said distal end portion of said second lateral edge portion to define a first pointed tip portion; wherein said concave-shaped portion meets said distal end portion of said first lateral edge portion to define a second pointed tip portion; wherein said concave-shaped portion includes a second cutting edge portion. a mounting portion configured to mate with an oscillating drive member of a power tool; a blade portion extending from said mounting portion, said blade portion including a first lateral edge portion, a second lateral edge portion, and a leading edge portion, said first and said second lateral edge portions (64, 66) each extending generally forwardly from said mounting portion, said leading edge portion extending generally laterally between a distal end portion of first lateral edge portion and a distal end portion of said second lateral edge portion; and a first cutting edge portion defined in said second lateral edge portion, said first cutting edge portion including i) a rearward facing portion that extends generally laterally from said distal end portion of said second lateral edge portion toward said first lateral edge portion, and ii) a forward facing portion that extends generally laterally from an intermediate portion of said second lateral edge portion toward said first lateral edge portion; wherein said rearward facing cutting edge portion is at least partially interposed between said leading edge portion and said mounting portion, and wherein said forward facing cutting edge portion is at least partially interposed between said rearward facing cutting edge portion and said mounting portion; characterized in that said leading edge portion includes a convex-shaped portion and a concave-shaped portion; wherein said convex-shaped portion meets said distal end portion of said second lateral edge portion to define a first pointed tip portion; wherein said concave-shaped portion meets said distal end portion of said first lateral edge portion to define a second pointed tip portion; wherein said concave-shaped portion includes a second cutting edge portion.