We use high-quality diamond grit and the vacuum-brazed diamond on the blade cuts faster and more powerfully than standard diamond blades. It has higher cutting efficiency and longer service life than ordinary diamond. FixltFast 1-Pack Diamond Cutting Wheel 4 1/2 Cut Off Wheel Grinder Blades 4.5... FixltFast 3-Pack Diamond Cutting Wheel 4 1/2 Cut Off Wheel Grinder Blades 4.5... FixltFast 3-Pack Diamond Cutting Wheel 3 inch Cut Off Wheel Grinder Blades 3 ... FixltFast 4 1/2 Diamond Blade for Grinder,7/8 Inch with 5/8" and 4/5" Washer,... 6 Pack Diamond Cutting Wheel 4 1/2 x 7/8 Inch with 4/5"and 5/8" washer,grinde... 2 Pack Diamond Cutting Wheel 5" x 7/8 Inch with 4/5" Washer,Grinder Blades,An... Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 44 4.5 out of 5 stars 44 4.5 out of 5 stars 44 4.5 out of 5 stars 28 4.5 out of 5 stars 44 4.5 out of 5 stars 44 Price $8.98$8.98 $19.94$19.94 $18.98$18.98 $16.98$16.98 $36.96$36.96 $24.98$24.98 Size 4.5“ x 7/8” 4.5“ x 7/8” 3" x 3/8" 4.5“ x 7/8” 4.5“ x 7/8” 5“ x 7/8” Edge 70Mn&Diamond 70Mn&Diamond 70Mn&Diamond Diamond 70Mn&Diamond 70Mn&Diamond Material Carbide Steel Carbide Steel Carbide Steel Carbide Steel Carbide Steel Carbide Steel Max. RPM 13200 13200 20300 13200 13200 12200