Makita 741426-B-25 4-1/2-Inch Masonry Wheel 25-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Zirconium abrasive grain provides consistent high cut rate</li><li>Arbor hole 7/8 inch</li><li>24 grit</li><li>11900 rpm max speed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41G9FIGI0%2BL.jpg" noproxy>