Check the listing for details. 5 pk REX-CUT 4 1/2 X 7/8 T36 Sigma Green 730000. Color: Green, Condition: Open box. Listed at 44.95 USD. REX-CUT 5 pk REX-CUT 4 1/2 X 7/8 T27 SIGMA GREEN MAX 730000 Just removed from the new pack to sell in 5 pack quantities. Product Description FOR A LONGER LIFE OPTION, WE ARE NOW OFFERING NEW 1/8” THICK SIGMA GREEN GRINDING WHEELS. This fast grinding wheel has the same specialty grain and bond combination as the original Sigma Green. Even with the added thickness, the Sigma Green still is noticeably quieter and better balanced than other similar 1/8” wheels on the market. METALS Stainless steel Mild steel Hard face Titanium Alloys Aluminum About this item Use on stainless steel, aluminum, mild steel, hard face, titanium, and alloys High performance zirconium and aluminum oxide grain combination Grinds smooth and quiet Contains only 0. 035% iron, with less than 0. 1% of iron, chlorine, and sulfur combined 13, 300 Max RPM Specifications for this item Brand NameRex-Cut Abrasives Compatible DevicesAngle Grinder Compatible MaterialStainless Steel Ean7424189795053 Grit MaterialAluminum Oxide Grit TypeCoarse Included ComponentsGrinding Wheel Materialaluminum oxide LOCATION: Warehouse 1B1 SHIPPING WEIGHT 1 lb 3 oz