Depressed Center Cutting Wheel, 4 1 2 in dia, 0.045 in Thick, 7 8 in Arbor, 60 Grit, Aluminum Oxide no checkout Used to provide leverage on Used to provide leverage on hand operated valve wheels Permits a smooth snap hammer action to make opening and closing stubborn valves easy The special shaped opening in the wrench reduces the chance of slippage when working in overhead or crowded positions Pressure check device to determine fire extinguisher's readiness status Clear instruction label using graphics to show steps required to operate extinguisher Easy to pull safety pin Rust and impact resistant nylon handle Powder coated cylinder for corrosion protection Improved formulation increases life and performance by 30% Most Metals Applications General Purpose Cutting Arbor Diam [Nom] 7 8 in Big Catalog NO Body Material Resinoid Bonded Bond Resin Brand B LINE ABRASIVES Catalog MPI Catalog Color Black Construction Catalog NO Country of Origin SI Cutting Diam [Nom] 4 1 2 in Dia