Virgina Abrasives Diamond 2x2x4 Diamond Grinding Block General Purpose Concrete Catalog Do-it-yourself Concrete Virgina Abrasives Diamond 2x2x4 Diamond Grinding Block General Purpose Concrete Manufacturer : Virginia Abrasives SKU : 781254 Model Number : 425-05234 Description Diamond 2x2x4 Diamond Grinding Block General Purpose Concrete Rates Please contact us for current pricing and availability. Request Availability