Easy to grip plastic handles provide better control. * Made of high Carbon Steel. * Made of high Carbon Steel. * Full length: 140mm Working length: 65mm, Diameter: 3mm. * Flat file, half round file, round file, Triangle file, square file. * W1A-11 1/2, high frequency quenching, high hardness, ensuring logevity and strength. * Uses: for machining hard materials, the material after quenching processing, metal, glass processing, die polishing. * Suitable for Sharpens & De-Burrs Hobby Models, Jewelry, Clocks, Watches & Soft Metal. * Package: Knife handles * 1 Blade * 10 pcs. * Gripblade Handle with 10 pcs SK5 Blades Wood Carving Tools Fruit Food Craft Sculpture Engraving Knife.