Convenient set of five, round parallel files for deburring mag release hole, slide stop hole, and other frame pin holes to ensure precise fit and smooth function of your 1911. Also use to fit, shape, and blend beavertail grip safety to frame. American-pattern, single-cut files ensure gradual, even metal removal to help you maintain precise dimensions. Indispensable for any accurizing job. SPECS: Hardened cutting steel. Round parallel files with approximately 6 1/2” (15.2cm) cutting surface, 2” (5.1cm) tang. Kit contains one each 1/8" (3.2mm), 5/32" (4mm), 3/16" (4.8mm), 7/32" (5.6mm), 1/4” (6.4mm) diameter.