Century Drill and Tool 8400 Arbor Abrasive Mandrel， 3/8-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Abrasive wheel mandrel converts 3/8-Inch arbors to a 1/4-Inch shank on small diameter abrasive cutting blades and grinding wheels</li><li>Fits 3/8-inch arbor</li><li>1/4-inch shank</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31nMNqi081L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61A3IWHrBkL.jpg" noproxy>