Norton« small diameter engineered reinforced cut-off wheels use aluminum oxide abrasive with special side reinforcement for precise, thin cuts. MSDS Sheet Features: Superior product at a value price Aluminum oxide with OBNA2 resin bond yields maximum cut rate and minimum kerf loss; idea when thin cut is desired Application: Cutting sheet metal Cutting pipe Foundry gate/riser removal Metal fabrication Specs: Abrasive Type Cut Off Wheel Diameter 4 in Arbor 1/4" Thickness 0.0350 in Wheel Type Type 1 Material Aluminum Oxide Specifications A60-0BNA2 Trade Name Norton« RPM [max] 25465