30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
Now, we think 21mm (or more) takes things a bit too far. Because the side effect of a longer throw can be more vibration, slower/lower cut, trickier polishing up to creases and swage lines in bodywork and more chance of pigtails (tracers).