DeWalt DW8434 DeWalt 4-1/2" Pipeline Cutting Wheel - 7/8" Arbor Features: 3 full sheets of fiberglass for durability and safety Use of 100% virgin grain for enhanced removal and long life Proprietary material mix to ensure premium performance Premium resin bonds 100% inspected before use Includes: 1 wheel SPECIFICATIONS WHEEL: Diameter: 4-1/2" Arbor: 7/8" Thickness: 1/8" Spec: A24R MAX RPM: 13300 RPM APPLICATION: Pipeline Cutting