Precision Curved Clank Right Angle Plate 90 Degree Right Angle Plate T-slot Cast Iron Curved Plate Bench Machine Tool Vertical Plate High Strength Gray Cast Iron Made of High Quality High Strength Gray Cast Iron Sprayed Rust Proof Not easy to deform and not easy to rust Easy to Operate Sturdy and Durable Fixed Surface Finishing High Precision Work Surface Adopts Scraping and Researching Craft Ninety Degree Angle Used for Inspection of the Workpieces