Makita 10 Pack - 4.5" Grinding Wheel For Grinders - Aggressive Grinding For Metal - 4-1/2" x 1/4 x 7/8-Inch 10 MAKITA Premium 4-1/2 Depressed Grinding Wheels for Metal | 4-1/2-Inch x 1/4-Inch x 7/8-Inch | Optimized for Makita 4-1/2 Angle Grinders and compatible with All 4-1/2 Angle Grinders with 5/8 arbor GRIND 2-3X MORE than lower quality & cost wheels due to this wheels carefully selected Grain Grit, Hard Bond Matrix & Wheel Thickness that provide balanced Grind Life, Stock Removal Rate, Precision, Power Demands & Heat Buildup, allowing you to grind longer, consistently precise with maximal wheel integrity, moderate power demands and relatively low heat buildup EASILY & SMOOTHLY GRIND 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 longer and faster than other wheels in its class QUICKLY REMOVE General Steel, Metal & Weld Stock with Makitas Coarse 24 Grit Grains | Quality Assured, Aggressive and Long Life Wheels for consistent performance in the most demanding applications