What can I say. This tool does exactly what it advertises. It is very easy to use and made of high quality steel. A must for anyone using Sharkbite fittings as well as soldering but by no means skip the deburring step when using the Sharkbite, the deburred copper tube edges can damage the neoprene ring in the Sharkbite. This tool fixes that. You can tell how big the difference between purchases is by feeling your pinky before and after. The edge after deburring is completely free of sharp edges. It also makes it easier to press the fitting onto the pipe if the pipe edges are smooth.