Ridgid 20238 12-inch Prohack Hack Saw Designed to offer superior strength and maximum control in a lightweight professional hack saw Casting provides both greater strength and improved work piece access Blade replacement is a snap with the large tensioning knob and the rubberized hand grips fore and aft ensure a controlled and speedy cut 212 Pro Arc provides two positions for mounting the blade (either 45 degree or 90 degree cut angles) to handle the job 12-inch Pro Arc Hack