Makita 15 Piece - 4.5" Grinding & Cut Off Wheel Set For Grinders - Aggressive Grind & Cut For Metal - 4-1/2" x 7/8-Inch Premier Products' Exclusive Makita 15 Piece GRIND & CUT METAL Set | 10 Cutting Wheels + 5 Grinding Wheels | Optimized for Makita 4-1/2 Angle Grinders and compatible with All 4-1/2 Angle Grinders with 5/8 arbor GRIND & CUT 2-3X MORE than lower quality or excessively thin wheels due to this wheels Carefully selected Grain Grit, Hard Bond Matrix & Wheel Thickness that provide the best balanced Cut Life, Cut Rate, Cut Precision, Power Demands & Heat Buildup in the industry, allowing you to cut longer, consistently precise with unmatched wheel integrity, moderate power demands and relatively low heat buildup EASILY & SMOOTHLY GRIND & CUT all steel and metal including welds, carbon steel, structural steel, iron, steel pipes and alloy steel over an extra-long life span due to Makitas High-performance Brown fused Aluminum Grain and hard bond matrix | Synthetic Resinoid Bond is ideal for fast stock removal, high operating speeds and aggressive grinding action used by professional metal fabrication, auto shops, maintenance repair, construction & general industrial applications AVOID Premature Disintegration, Wheel Shatter, & Injury with lower priced wheels by relying on Makitas proprietary strong bond matrix that binds Premium White Aluminum Oxide with Phenol Resin allowing for optimal grain ware which yields smooth grinding PERFORMANCE, AGGRESSIVITY & BALANCE, grinding and cutting longer and faster than other wheels in its class QUICKLY CUT & REMOVE General Steel, Metal & Weld Stock with Makitas Coarse Grit Grains | Quality Assured, Aggressive and Long Life Wheels for consistent performance in the most demanding applications