Fine finishing and detailed fitting work call for precision and a light, controlled touch. The Square File, Smooth features a fine single-cut pattern that produces a clean, polished finish on metal surfaces and sharp internal corners. Its square profile provides accurate control in slots, keyways, and narrow openings, ensuring edges remain well-defined and true. Constructed from hardened steel, it maintains sharpness and durability through extended use in marine and industrial environments. Balanced and comfortable to handle, it delivers dependable precision where surface refinement and accuracy are critical.