Synthrotek 308 Distortion

Marsoni

M251S

$45.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Synthrotek 308 DistortionFully tested, perfect working condition. Minimal rack rash. About Used Items: All modules include a power ribbon cable and M3 screws. Please be aware that although all used items have been tested to work as they are designed, they are sold "As Is" and are not accepted for returns unless there is a defect in the used item. Used items DO NOT qualify for Free Shipping, if you order a new item with a used item you will be charged shipping based on the

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Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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I bought this to use primarily as a travel grinder and found that it is great for every day use. It is not meant for large amounts but it is perfect for single, smaller brewing situations. The grind selection worked well and I "dialed" the proper ground size for my single sized pour over coffee maker.

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Reviewed in the United States on May 19, 2026

Verified Purchase

Karin Conover-Lewis

Cuba, US

★★★★★ 1

Ceramic burr destroyed itself

Color: Silver

For the first two-plus months it worked fine -- the perfect grind and the perfect amount with a full barrel for my oversized coffee mug. I've been using it once daily, more or less, on a medium grind setting of 25, and this morning the ceramic burr started to eat itself. This is not acceptable. Follow up: Circle Joy contacted me and offered to give a full refund on this purchase, which was gratefully accepted. This is outstanding customer service.

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Reviewed in the United States on April 28, 2026

Verified Purchase

Brian

Cuba, US

★★★★★ 5

Best price for better tasting coffee

Color: Silver

I am a coffee snob. I only get beans. I have been using a magic bullet blender to grind, which actually does extremely well, but the grind wasn't quite even enough. So I found the cheapest, ok quality grinder I could and bought this one. I absolutely love it. It take a while to grind, and it only does a little at once, but whatever. This thing works great and my grounds are now even. The burrs seem to be of decent quality and the whole device works smoothly.

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Reviewed in the United States on February 18, 2026

Verified Purchase

pjp

Grantham, US

★★★★★ 5

Wonderful grinder:

Color: Silver

This is one little powerful grinder. It holds 30 grams in the glass jar which is perfect for 2 cup 10oz cups. It has a dial to adjust the grind. Great for two! It works great. Really good purchase. It is a labor of love. l

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Reviewed in the United States on May 29, 2026

Verified Purchase

SDFamily

Massapequa, US

★★★★★ 5

Great grinder! Fun to use. :)

Color: Silver

Wow, very well constructed, grinds all sorts of things perfectly. Completely happy. Looks great, super easy to use, nice size, little glass jar, very quiet, love that it's true ceramic. Handle comes off easily to store. Nice! :)

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Reviewed in the United States on April 13, 2026