Put finishing touches on your project with the ABN 9pc Hand Metal File Kit. 8in round, flat, and half round metal files with 4.5in handle to deburr, shape, and sharpen. Tapered double cut round file for inside round holes, beveled corners. Tapered double cut side and single cut edge flat file for heavy-duty uses. Tapered double cut side half-round file for curves and corners. Our gunsmith file set also includes 4in (10.2cm) fine files in 6 assorted shapes to smooth delicate jewelry making, coin slots, narrow openings, or finishing off milled cuts. Apply an oil based lubricant on teeth to reduce metal dust buildup and friction for easier cutting. Keep working surface clear of oil or lard. For coarse heavy cross-filing and detail light cross-filing - Not for hardened steel or soft materials. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.