DescriptionThis is a steel rotary cutter file set. It is made of good quality steel material, durable to use. Provide multipurpose tool for welding, jewelry making, chamfering, wood carving, metalwork, casting, deburring, grinding, and etc.Features-Color: Black -Material: steel -Size: 5.00X1.00X1.00cm/1.97X0.39X0.39in - This set can reduce labor intensity, improve the working environment. - A variety of 5 different combinations to meet more needs - Can be used to polish stainless steel, iron, welding spot, wood, and etc. - It is easy to install on die grinder, grind and polish the thing you need. - Made of good quality material for lasting use.