3D printer heat sink dedicated A4988 chip makerb/reprap driver board heat sink
A RAMPS or Makerware motherboard, 4-5 A4988 module and heat sink
The price corresponding to the heat sink does not include the thermal paste, and those who need a thermal paste can be purchased separately. The thermal paste needs to be placed before the chip and the heat sink when used, and has good thermal conductivity, which is better than the 3M paste.
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You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 5 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
All returned items MUST BE in the original packaging and you MUST PROVIDE us withthe shipping tracking number, specific reason for the return, and your po number.
We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to.have a replacement.We will bear all the shipping cost if the product(s) is (are) not as advertised.
We provide 6-12 months warranty. If the item is defective, please notify us within 3 days of delivery. All items must be returned in their original condition, in order to qualify for a refund or exchange of goods. Items returned after 15 days of delivery are only eligible for repair. The buyer is responsible for all shipping cost. When buying, it means the buyer have given tacit consent to the policy. If further details, please feel free to contact us, we will work with you to reach win-win.
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