OQY1168 Features: * Thin, spring-steel blades are durable and rust resistant * Specially ground, impulse hardened, tri-edge teeth are razor sharp, cut cleanly and accurately * May be used with any style handle * Blade guards protect teeth when saw is not in use * Fits BS250D (2521-7282) * Double edge blade * 0.020"" blade thickness * 0.026"" kerf * 10"" cutting length * 18 and Gradated pitch tpi