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: high quality FT012 - FT011 Drive Shaft / 3x3.18mm  4x4mm Universal joint Transmission Set Spare Parts For FT012 2.4G Brushless RC Racing Boat

 Material: stainless steel

3x3.18mm  ( FT012 )

Length:37mm

Inner diameter(connect motor shaft):3.18mm, 1/8"

Inner diameter(connect Flex shaft):3mm

4x4mm  ( FT011 )

Length:43mm

Inner diameter(connect motor shaft):4mm

Inner diameter(connect Flex shaft):4mm

refund

If there is any problem when you receive your parcel, please contact us without hesitate in 3 days. If you are not 100% satisfied with your purchase, simply return the unworn item within 30 days of the item ship date and we will gladly exchange, replace， or refund it inclusive of delivery charges.

(All refund should be sent back by our paypal account)

United States : item transport to the U.S.We use accelerate transportation express.usually 7 to 15 working days.Remote areas will delay the transportation time 20 Working days.Each item have tracking number.

worldwide : Item will be shipped within 3 days after payment is cleared.Goods will be sent via airmail .
Delivery takes about 25-30 business day (without holiday).
All products have been checked and packaged in good condition before dispatch.                                                                                        Tracking number : Your purchase amount more than $18,Then you will get a free items tracking number.( If you shopping amount not reached $18. You can also buy tracking number ,Cost $3 )
Address : Please make sure your address in Ebay is matched with your shipping address before pay. If you would like to change the address, please contact us IMMEDIATELY after your payment. 

Your satisfaction is our first priority. Defective product will be offered exchange or refund. 100% Money back Guarantee. We appreciate your positive feedback. Our system will leave feedback automatically after you pay it. Please leave us positive feedback upon satisfaction of the item. Please email us before leaving negative and neutral feedback. We will try our best to solve the issue. 
We will be glad to answer any question you may have, please feel free to contact us at: we do try respond as quickly as possible. Due to time zone difference, please allow 12~24 hours to get your mail replied