ITEM NAME:20pcs Aluminum Heat Sink for StepStick A4988 IC 8.8*8.8*5mm Pip N Ew Description This Aluminium Heatsink is specially designed for pololu A4983/A4988 StepStick stepper drivers. The function of heat sink is to cool down the board and make it operate better.  ·Ã‚   Product Name: Aluminum Heat Sink  ·. · Fin number: 5. stepper drivers. The function of heat sink is to cool down the board and make it operate. 20 Aluminum Heat Sink.  · Colour: As the picture shows.  · Size: 8.8mm 8.8mm 5mm.
