Norton 4 x 1 4 x 5 8 In. Gemini Grinding Wheel 24 S BDA T27 25 Count FILLER METAL Olive Drab Duck Screen (3 Olive Drab Duck Screen (3 Panels) PART NUMBER PART NAME BFFVX 1500 ArcOne Black Vision® BFF Welding Helmet IDF81 1500 ArcOne Black Vision® IDF81 Welding Helmet X81VX 1500 ArcOne Black Vision® X81VX Welding Helmet X54V 1500 ArcOne Black Vision® X54V Welding Helmet X54VI 1500 ArcOne Black Vision® X54Vi Welding Helmet XT540 1500 ArcOne Black Vision® XT540 Welding Helmet S540 10 1500 ArcOne Black Vision® S540 Welding Helmet BFFVX 1523 ArcOne Speedway Vision® BFF Welding Helmet X81VX 1523 ArcOne Speedway Vision® X81VX Welding Helmet IDF81 1523 ArcOne Speedway Vision® X81VX Welding Helmet X54VI 1523 ArcOne Speedway Vision® X54VI Welding Helmet X54V 1523 ArcOne Speedway Vision® X54VI Welding Helmet BFFVX 1555 ArcOne The Tank Vision® BFF Welding Helmet IDF81 1555 ArcOne The Tank Vision® IDF81 Welding Helmet X81VX 1555 ArcOne The Tank Vision® X81VX Welding Helmet X54V 1555 ArcOne The Tank Vision® X54V Welding Helmet X54VI 1555 ArcOne The Tank Vision® X54VI Welding Helmet BFFVX 1579 ArcOne El Diablo Vision® BFF Welding Helmet IDF81 1579 ArcOne El Diablo Vision® IDF81 Welding Helmet X81VX 1579 ArcOne El Diablo Vision® X54VI Welding Helmet X54VI 1579 ArcOne El Diablo Vision® X54VI Welding Helmet The Gemini A AO Type 27 grinding wheel is a cost effective and dependable choice for smoothing welds and for stock removal applications 1 4 inch thick depressed center wheel designed to be used at a 30 degree angle on a right angle grinder for offhand stock removal