3M(TM) cut off wheel cutting tube, pipe, rebar, or sheets, cut-off wheel tools can deliver fast, smooth performance. These 1 hp tools, combined with cut-off wheels have the power you need to cut through carbon steel, stainless steel and other materials. Application category: converted form: power tool, diameter: 3-inches. Equipment type: cut-off wheel. Max rpm: 25000. Air inlet thread: 1/4-inches NPT. Power type: pneumatic. Measures 7-3/4-inches length by 3-inches height.