Ronstan Series 40 All Purpose Block - Fiddle - Becket - Cleat - RF41530

Ronstan Series 40 All Purpose Block - Fiddle - Becket - Cleat - RF41530

Marsoni

M251S

$85.99

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

Ronstan Series 40 All Purpose Block - Fiddle - Becket - Cleat - RF41530Series 40 All Purpose Block Fiddle Becket Cleat Features: Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Captive Lock universal head Slotted pin shackle eliminates fouled lines Snap fit removable becket pin Multi position cleat arm Spare parts RF41010 Replacement Becket Pin, RF150 Shackle All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished

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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

Phoenix, 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

Port Orchard, 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

Whiting, 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

Whiting, 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