Fast delivery. Very easy to deal with if you have a problem. Mine arrived with a cracked screen. I sent the photo in the mail. The same day I received an email asking for my apologies, although I'm sure it was a mistake by the operator services. Sent replacement and was in my mailbox in about 3 days. So far it's working great for what I'm using it for. I would buy from this seller again. As for the calipers, their tooling costs $20. So don't expect a $100 tool. But mine has worked fine so far.
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