5Pcs A4988 Stepper Motor Driver Module with 5Pcs Aluminum Heat Sink Accessories for Printer and CNC Machine

Feature:
1. The PCB copper coating process is upgraded to 2oz (copper thickness is 70um, normal is 35um).
2. With high copper content, the heat dissipation performance is of course better.
3. Good quality, soldered and gold?plated pin headers, strong and durable, has a long service life.
4. SMT placement machine manufacture, higher yield rate and more stable performance.
5. Small size, easy to carry and store, convenient to use and with 5pcs module, can meet your use demand.

Specification:
Item Type: Stepper Motor Driver Module
Weight: Approx. 3.7 g / 0.1 oz (with heat sink)
Special Note: Red board Rs is 0.1?, current upper limit is 2A

Package List:
5 x Stepper Motor Driver Module
5 x Aluminum Block