#0 cut is for fast removal in soft metals, works beautifully for wood, too. #2 cut is ideal for rear sight notch adjustments, extractor/ejector groove relief, final fitting of fine parts. Mfg: Grobet File Co. Of America Inc SPECS: 4" (10.2cm) long. 9/64" (3.5mm) wide. Thickness: 1/16" (1.7 mm)
