What You Get: 25 Pieces 4-1/2" Cut-Off Wheels, with 7/8" Arbor, 1/16" Thick Maximum setting up to 13,300 RPM (> 13,000 RPM common) Compatible with 4-1/2-inch die grinders and 7/8-inch arbor angle grinders;
WHAT THEY'RE MADE OF - made from complex plated white fused alumina grain, tougher and harder than plain white alundum grain Reinforced with double fiberglass mesh These cut-off wheels make much more aggressive and sharp cuts 45 inch cutting disc can cut 047 inch (12mm) STEEL 170 TIMES, cut 06 inch (16mm) STEEL 50 TIMES
