Equipped ceramic bits: Our driver is made of precise cubic zirconia ceramic bits of good quality and It is equipped with good workman and strong lead hardness, not easy to carry. Wide range of uses: Suitable for adjusting high frequency circuits, suitable for various inductances, semi-variable capacitors, semi-electric resistors and major brand SMD parts. Anti-static: No electromagnetic induction, electrically and thermally insulated. No over-current loss at high frequencies. Anti-static and insulating ceramic driver. 8 pieces included: This screwdriver package contains 8 different bits. Please see product description below for more information. It is a very practical tool worth buying. Dimensions: For details about the product size, please refer to the following description. All products undergo rigorous testing before . So please buy with confidence., Manufacturer: Smandy