This is a sturdy, professional saw that allows standard pin end coping saw blades to be tensioned at both ends (using the handle and thumb screw) for more precise cutting of intricate and irregular shapes with complete control! Blades can be turned 360 degrees to saw in any direction - push or pull stroke. Depth of Cut - 4-3/4". Hard wood handle. Equipped with Olson's 15 TPI blade.