Characteristic: The screwdriver is made of plastic handle, which is very easy to grasp and use. Non-electrostatic screwdriver with high-quality zirconia ceramic bit. Strong hardness, not easy to wear, fine workmanship. 4-piece set is convenient to use. The screwdriver of this ceramic drill is specially designed for high frequency circuit adjustment. Suitable for all kinds of inductors, semi-variable capacitors and semi-resistors. No electromagnetic induction, electrical insulation and heat insulation. No eddy current loss at high frequency. Anti-static insulating ceramic screwdriver. No electromagnetic induction, electrical and thermal insulation. No magnetism and static electricity. 4 kinds of different drill bits, easy to use. Suitable for high frequency circuit adjustment. Suitable for all kinds of inductors, semi-variable capacitors and semi-resistors., Weight: 0.09259415004 pounds, Manufacturer: Quzenn