Discover the Apex Tool Group 8" Round Bastard with Ergo Handle, the perfect tool for achieving smooth finishes on circular openings and concave surfaces. This round file, with a diameter of 5/16", features a single-cut design and is tapered slightly towards the point for precision and control. Its ergonomic handle ensures comfort during use, making it an essential addition to your toolkit. Please note, this product cannot be returned. Elevate your craftsmanship today!