T.J. Martin diamond plated needle files are high quality files made of hardened steel and manufactured to rigid specifications. These files are available in coarse (80/100), medium (140/170) and fine (200/230) grit sizes. They are made for long life and wear extremely well. T.J. Martin diamond needle files can be used on carbide, hardened steel and ceramics.
Quantity discounts on assorted sizes (Include Borazon and Diamond Mandrels Ordered):