This Geepas Round File used for filing or trimming wood products round holes, grooves and irregular ocular surface, ideal for wood, metal, plastic, professional and frequent DIY use. With ergonomic design, anti-slip and comfortable grip handle, better control when handling Hard-to-Reach work & in wet or oily conditions. This Geepas Triangle File is made of high-quality steel with high hardness and high-frequency quenching, ensuring longevity and strength. The 2nd is ideal for deburring, shaping, and sharpening.Square sides with single-cut teeth create a smooth finish on interior contours and holes. Sides with cross-cut teeth removes material quickly for fast rough-shaping of larger surfaces and edges. Precise and uniform, clean teeth. Precision milled, tempered and coated Teeth provide durable cutting and good performance. Multipurpose Professional and DIY tools.Suitable for shaping metal, wood, plastic, plaster, wallboard, glass and etc.