Norton« FabCutÖ Right Angle Grinder Reinforced Cut-off Wheels use quality aluminum oxide abrasive in a high performance bond system for a 28% better cut rate than standard aluminum oxide. MSDS Sheet Features: Unique reinforced design for safety strength and straight cuts Extra thin for quick cutting action Application: Cutting sheet metal Cutting pipe Foundry gate/riser removal Metal fabrication Metal plate dimensioning Specs: Abrasive Type Cut Off Wheel Diameter 4 in Arbor 5/8" Thickness 1/16 in Wheel Type Type 1 Material Aluminum Oxide Trade Name FABCUTÖ RPM [max] 19100