Features: brand new and high quality Made of high-quality precision zirconia materials, high hardness,not easy to be weared. Fine ceramic non-conductive and anti-magnetic.Excellent work ability to adjusting high frequency range. Ceramic alignment screwdriver. High quality ceramic alignment tools with slotted and cross-point profiles. Suitable for high frequency circuit adjustment, size complete. Fit for inductors, semi-variable capacitors, semi-variable resistor and SMD parts. High insulation, no magnetic. Ceramic is a lighter material for adjusting only, if used correctly will last for long working life. Specifications: Material: Precision Zirconia Length: approx 9cm/3.54 inches Note: 1.Please allow 1-3cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 8x/Set Ceramic Screwdrivers (034A -0.4X0.9/034B -0.4X1.3/034C -0.4X1.8/034D -0.4X2.0/034E -0.4X2.4/034F -0.7X2.5/034G +PHO/034H +PH1.7)