Replaceable Blade: Effortlessly replace the blade without tools or loose parts. Ergonomic Design: Reduced hand force during operation. Square Jaw: Easily squares up all ranges of pipe sizes up to 1-5/8" O.D. to ensure a straight cut. Blade Release Lever: Quickly retract the blade with the push of a lever for one-handed operation. Dial Handle Lock: Located at the top of the tool to prevent accidental locking.