The Ace Flat Mill File is a single cut and bastard cut type with TPR handle for better handling It can be used on sharpening mill or circular saws and ideal for wood, metal and plastic No-slip and comfortable to keep a firm and long-time hold even in wet and oily conditions Made to withstand even the most demanding jobs Can be used for processing hard wood, deburring, trimming and chamfering, polishing rough machining, heavy duty usage Ideal for wood carving, stone carving, remodeling, boat repair, pattern shops, foundries, etc.