This tool is to cut pipes 3/4 inch to 3 inches -LRB- 19 to 76 millimeters -RRB- in diameter. It fifteen -LRB- 15 -RRB- blades that effectively cut pipe, so simply a 1/4 inch rotation is needed for a arrant cut. The handles are for prosperous grip and comfort. It will not double-wall pipes and is not for use on untainted steel.