Bosch X-Lock 4.5 In. Continuous Rim Diamond Blade

4-1/2'', Continuous Rim, Diamond Blade, 5X Faster Wheel Change, Reliable Mount, More Durability, Compatible With 7/8 In. Arbor Mounts, Optimized Diamond Mix For Both Speed & Lifetime, X-Lock Wheel Change Features Snap On Mounting & A Wheel Release Lever On Grinder.