Carborundum Aloxite Bench Grinding Wheel Aluminum Oxide 7x3/4x1/2 #APB118i $18.99 Brand Carborundum Unit Type Unit Grit (ANSI) 60 Wheel Diameter 7 in MPN A60-L6-V30 Abrasive Material Aluminum Oxide Center Hole Size 1/2 in Wheel Thickness 3/4 in condition New – Open box Carborundum Aluminum Oxide Bench Grinding Wheel 7x3/4x1/2A60-L6-V30 60 GritAluminum Oxide3545 Max. RPMNiagara Falls, NY#APB118i