[ 5 Pieces Metal File Set ]---All made by T12 Steel. Set including: 1pcs Flat steel file, 1pcs Half round steel file, 1pcs Round steel file, 1pcs Triangle steel file, 1pcs Square steel file.       
[ High Filing Performance ]---T12 Steel tempered and hardened to min hardness HRC 65, these mill saw files are made for extended tool life and are extremely strong and durable.       
[ Ergonomic Handle Design ]---The ergonomic handles enhances control and comfort, reduces fatigue and improves precision, perfect for long time use.       
[ Wide Application ]---The 5 kinds of models(Flat file,Half-round file,Triangle file,Round file,Square file) steel files of different shapes make a perfect combination for various application of sharpening, shaping and deburring hobby models, jewelry, clocks, watches, wood, metals, polymers, etc., for both course work or detail work.       
[ Hook Design ]---File Set has hook design tail hanging hole storage, convenient for hanging, to prevent damage and from getting lost or mixed with other tools