300Pcs/set Box-packed M3 Male Female Hex Nut Spacing Screw Brass Threaded Pillar Single Head PCB Board Double Hexagonal Screw Nut Combination Kit Desktop Jewellery & Watch Magnifier with LED Lights Measure of current amplification factor

Measure of current amplification factor and base-emitter threshold voltage of bipolar transistors

Take out the batteries if it's not used for a long time in order to avoid the leakage of battery liquid

This product is a professional testing equipment with dual modes: battery capacity test and power supply burn-in test

It is a very good electronic device

combustible gas and fuel oil is of great value in the environment of universal instruments

300Pcs/set Box-packed M3 Male Female Hex Nut Spacing Screw Brass Threaded Pillar Single Head PCB Board Double Hexagonal Screw Nut Combination Kit Desktop Jewellery & Watch Magnifier with LED Lights Measure of current amplification factorA standoff is a fastener that is used to create space between two objects, often to properly position them. In the world of electronic components and electronic hardware, standoffs are typically used to space circuit boards, panels, doors or gears. Female Female standoffs and Male Female standoffs are both included in this set of different sizes. Features: Made of high grade brass and stainless steel, sturdy and anticorrosive. Well polished surface