Abrasive kit grinds, blends and cuts Rex-Cut Products, Inc.'s Stainless Steel Abrasive Kit includes three types of specialty abrasive wheels for grinding, blending and cutting stainless steel using a right angle grinder. The kit includes four thin-profile, 0.045" thick Alpha-Green cut-off wheels that cut pipe, rod or tube; a Sigma-Green grinding wheel that removes heavy welds; and a cotton-fiber blending and finishing wheel which leaves a 32 RMS or better finish. The Type 27 wheels are all 4-1/2" in diameter.