Fangrui Product Details Sturdy And Sustainable: The Texture Of Sour Wood Is Hard And High Density, With Good Wear Resistance And Resistance. As A File Handle, It Can Withstand All Kinds Of External Force And Friction In Daily Use, Not Easy To Be Damaged Or Deformed, And It Is Firmly Connected With The Body Of The File, Which Can The Service Life Of The Whole Tool Easy To Use: Brass Chuck, Knurled Nut, More Convenient To Disassemble, Can Quickly The File, You Can Choose Different Shapes Of Needle Files As Needed To Complete The Grinding Work Comfortable Hand Feeling: The Texture Of Sour Wood Is Warm And Moist, And After Fine Processing And Polishing The Sour Wood Handle, It Feels Smooth And Delicate, And Comfortable To Hold. It Can Reduce Hand Fatigue, Improve Work Efficiency And Handling Precision Wide-ranging Applications: The Metal File Set Includes 10 Shapes (round, Square, Equirectangular For Leaves, Oval, Semi-circular, Flat, Flat) Catered To A Wide Range Of Tasks Such As Filing, Deburring, Shaping, And Smoothing M