Exposed Reaming Handles - Up to 1-Inch Conduit (Patent Pending) * Reaming Head Design - Smooths out rough edges of up to 1-1/2-Inch Pipe (Patent Pending) * Quick Adjust Jaws - V-groove jaws create a more precise fit with up to 1-1/2-Inch Jaw Capacity * Forged Alloy Steel - For Maximum Tool Strength * Rust Protection - Increases tool life by reducing corrosion