Made in USA Type 16, 1″ Max Diam, 3″ Head Thickness, 16 Grit Cone Aluminum Oxide, Hard Grade, 3/8-24 Shank Thread ADL1A422R:01

Tru-Maxx 12" Diam x 5" Hole x 2" Thick, J Hardness, 46 Grit Surface Grinding Wheel Aluminum Oxide, Type 7, Coarse Grade, 2,069 Max RPM, Vitrified Bond, Two-Side RecessManufacturer Part #: 66243496733S/N: 06294425UNSPSC: 23131503(Minimum Order Quantity=1, P