1.Electroplated diamond needle files

2,~These easy-to-handle diamond needle files are with most popular shapes.        
They are flat, half round, Square, triangular, round, warding, knife, triangle one side, crossing, oval, slitting and crochet.       
Application:Used for virtually any precision  filing, de-burring, notching, dressing and honing of hard, brittle materials.        
3.

4.Specification : 2*140/100*50  3*140*50/70  4*160*50/70  5*180*70