Aluminum TO-220 Heat Sink Kit with Thermal Insulator for Power Devices
30pcs TO-220 Insulation Kit: Screws + Washers + Bushings and Insulator Rubber Silicone. Suitable for TO-220 Mosfet transistors, power for ICs, can be used to cool regulators LM78XX, LM317, IRFXXX, TDAXX.