ITEM NAME:10X Aluminum Heat Sink for StepStick A4988 IC 8.8*8.8*5mm gau. · Fin number: 5. stepper drivers. The function of heat sink is to cool down the board and make it operate. 10 Aluminum Heat Sink. · Colour: As the picture shows. · Size: 8.8mm 8.8mm 5mm. · Materal: Aluminum.
