12 inch machinist's round bastard file, boxed. Tapered round profile for enlarging holes and filing curved surfaces in fabrication and machine shop work.
6 inch half round bastard file with double-cut teeth, boxed. Curved face works inside radii while the flat face handles standard filing in fabrication and machine shop work.
8 inch half round bastard file with double-cut teeth, boxed. Combines flat and curved faces for stock removal in fabrication, weld cleanup, and shop maintenance work.
Machinist's round bastard file, 5/16 inch by 8 inch, boxed. Tapered round profile for enlarging holes and filing curved surfaces in fabrication and machine shop work.