Stainless Steel Screw Feed Tubing CutterClean, square cuts are easily made on copper, brass, aluminum, and thin-wall conduit. Nos. 10, 15, 20 feature a convenient fold-away reamer. No. 30 is rated for larger diameter steel and stainless steel tubing. No. 15-SI is especially designed for stainless steel tubing. Applicable Materials: Stainless Steel Tubing; Cutting Capacity: 1 in [Min], 3 1/8 in [Max]; Standard Wheel: E-1525; Weight: 1.91 lb.