Imperial blades-iboa270-1-made in the U.S.A. Universal fit 2-1/2 in. Japanese precision HCS blade 1-pk. Features our one fit system allowing our blades to fit 98% of multi-tools/oscillating tools on the market. This Japanese style blade is a "j" tooth configuration specifically designed for precision wood applications. It has a flush-cut design to allow the operator to lay the blade flat on surfaces perpendicular to the cut.