Vaughn Bear saws are made to cut on the pull stroke rather than on the push stroke. The thin blade removes less material, making sawing easier, faster, and more accurate. Blade is made of durable spring steel and plated for rust resistance. Specially ground tri-edge teeth are impulse hardened to retain their sharpness. 18TPI and graduated. Blade can be removed for replacement or easy storage in tool box. Blade guard protects teeth when saw is stored. Refer to Model No. 250RBD (SKU 301108) for replacement blade.