[QUALITY MATERIAL]: ultra fine polishing files is made of high quality tempered glass, high hardness and good wear resistance, Equivalent to 8000-10000 grit sandpaper, specially designed for sanding and polishing, maintains excellent sanding results after long periods of high-frequency use. [WASHABLE & REUSABLE]:The file can be cleaned with water and brushed with a brush after use to restore the sanding effect and reuse.Each file comes with an individual protective case for easy maintenance and , a common tool in the modeler's toolbox. [SIZE]: 0.53 x 3.54 x 0.11 inches, a set of 3 pcs glass files, with 3 types shapes. Round style, pointed style, square style, different styles switch freely to meet . [COMPATIBILITY]:Sutiable for all types of plastic and wooden pieces, real grade, , pg, mg model kit, , figure, resin , car and airplane kits., Weight: 0.09259415004 pounds, Manufacturer: melairo