Description:_x000D_ Transistors washer also known as insulation particle, plastic washer. Transistors washers are electronic plastic parts series, mainly used to lock on the transistors, to avoid short circuit between the transistor shell and the radiator._x000D_ _x000D_ Features:_x000D_ _x000D_ Made of high quality plastic material, these transistor washers have long service life. _x000D_ These washers are characterized by good insulation, light weight, anti-rust, corrosion resistance. _x000D_ Mainly used to lock on the transistors, to avoid short circuit between the transistor shell and the radiator. _x000D_ The main function of transistor washer is thermal insulation: suitable for crystal power tubes, diodes and transistors where heat dissipation and insulation are needed. _x000D_ Each set contains many flat washers that can be used for a long time, so you don't have to run to hardware store looking for washers for quite a while. _x000D_ _x000D_ _x000D_ Specification:_x000D_ Type: TW-3/ TW-6/ TW-9/ TW-10 (Optional)_x000D_ Material: Plastic_x000D_ Weight: Approx.4.5g~12g / 0.2oz~0.4oz _x000D_ Color: White_x000D_ Quantity: 100pcs_x000D_ _x000D_ Package List:_x000D_ 100 * Transistor Washer_x000D_ _x000D_ Note:_x000D_ Please allow slight error due to manual measurement. Thanks for your understanding.